Flower. Photo from R.V. Roger.
See photo of Flower from Andrew of Grows on You


See photo of foliage , flower, form and bulb from Altervista.

Click photo of Form from Rose Cottage Plants

Plant Name

Allium nigrum

(Allium multibulbosum,
Allium magicum,
Allium multibulbosum nigrum)

Allium is the Latin name for 'garlic'.

Common Name

Black Garlic, Broad-leaved Onion


Any well-drained Soil (Well-drained soil required and preferably rich in humus soil - so mulch with 2 inches of garden compost or grass mowings after planting, followed by mown leaves covering lawns each autumn. Remove mulch in March)

Sun Aspect

Full Sun

Soil Moisture


Plant Type

Herbaceous Bulb

Height x Spread in inches (cms)
(1 inch = 2.5 cms,
12 inches = 1 foot = 30 cms,
24 inches = 2 feet)

20-40 x 16 (50-100 x 40)


Strap-shaped Grey-Green leaves which start to die back when the flowers emerge.

Flower Colour in Month(s). Fruit

White flower with Green midribs and pinkish-purple ovary or deep Green ovary in April-June


Upright and Clump-forming habit and native to Mediterranean region.


"Enjoys a sunny spot. Flowers are pale lilac or white, with a greenish stripe down the middle of the petals. Height about 80cm (32")." from R.V. Roger .


Plant at 6 inch depth with an inch (2.5cms) of fine grit under them for drainage and 8 inches (20 cms) apart. Split and divide large clumps in autumn or spring. Good cut flower.


Allium companions are Allium 'Forelock', Allium aschersonianum and Allium aflatunense 'Purple Sensation'. There is a pink form of Allium nigrum (Syn. Allium auctum).


See Gardenia with their pages on
plant combinations of Alliums with other plants


Available from
R.V. Roger and
RHS in UK with
Brent and Becky's Bulbs in USA with
B & T World Seeds




Flowers. Photo from Gee Tee Bulb
See photo of Flower from Ali Dickens




Case Studies

Companion Planting
...A, B, C, D, E,
...F, G, H, I, J, K,
...L, M, N, O, P, Q,
...R, S, T, U, V, W,
...X, Y, Z
...Pest Control
...using Plants

Garden Construction
Garden Design
...How to Use the Colour Wheel Concepts for Selection of Flowers, Foliage and Flower Shape
...RHS Mixed Borders
......Bedding Plants
......Her Perennials
......Other Plants Garden Maintenance
Offbeat Glossary
Plants Chalk (Alkaline) Soil
......A-F1, A-F2,
......A-F3, G-L, M-R,
......M-R Roses, S-Z Heavy Clay Soil
......A-F, G-L, M-R,
......S-Z Lime-Free (Acid) Soil
......A-F, G-L, M-R,
......S-Z Light Sand Soil
......A-F, G-L, M-R,
...Poisonous Plants
...Soil Nutrients
Tool Shed
Useful Data


Topic - Plant Photo Galleries
Plant with Photo Index of Ivydene Gardens
A 1, Photos
B 1, Photos
C 1, Photos
D 1, Photos
E 1, Photos
F 1, Photos
G 1, Photos
H 1, Photos
I 1, Photos
J 1, Photos
K 1, Photos
L 1, Photos
M 1, Photos
N 1, Photos
O 1, Photos
P 1, Photos
Q 1, Photos
R 1, Photos
S 1, Photos
T 1, Photos
U 1, Photos
V 1, Photos
W 1, Photos
X 1 Photos
Y 1, Photos
Z 1 Photos
Articles/Items in Ivydene Gardens
Flower Shape and Plant Use of
Evergreen Perennial
Herbaceous Perennial

Bedding Flower Shape

Bulb with its 7 Flower Colours per Month Comparison Pages
...Allium/ Anemone *
...Colchicum/ Crocus

......European A-E
......European F-M
......European N-Z
......Eur Non-classified
......American A
......American B
......American C
......American D
......American E
......American F
......American G
......American H
......American I
......American J
......American K
......American L
......American M
......American N
......American O
......American P
......American Q
......American R
......American S
......American T
......American U
......American V
......American W
......American XYZ
......Ame Non-classified
......Australia - empty


...Hippeastrum/ Lily
...Late Summer
...Each of the above ...Bulb Galleries has its own set of Flower Colour Pages
...Flower Shape
...Bulb Form

...Bulb Use

...Bulb in Soil

Further details on bulbs from the Infill Galleries:-
Hardy Bulbs



...Forcing Lily of the Valley



...Hyacinths in Pots


...Lilium in Pots
...Narcissi in Pots



Half-Hardy Bulbs



Uses of Bulbs:-
...for Bedding Windowboxes Border
...naturalized in Grass Bulb Frame Woodland Garden Rock Garden Bowls Alpine House
...Bulbs in Greenhouse or Stove:-




...Plant Bedding in

...Bulb houseplants flowering inside House during:-
...Bulbs and other types of plant flowering during:-
...Selection of the smaller and choicer plants for the Smallest of Gardens with plant flowering during the same 6 periods as in the previous selection

Deciduous Shrub
...Shrubs - Decid
Deciduous Tree
...Trees - Decid
Evergreen Perennial
...P-Evergreen A-L
...P-Evergreen M-Z
...Flower Shape
Evergreen Shrub
...Shrubs - Evgr
...Heather Shrub
Evergreen Tree
...Trees - Evgr
Herbaceous Perennial
...P -Herbaceous
...RHS Wisley
...Flower Shape
Odds and Sods
...RHS Wisley A-F
...RHS Wisley G-R
...RHS Wisley S-Z
...Rose Use
...Other Roses A-F
...Other Roses G-R
...Other Roses S-Z
Soft Fruit
Top Fruit


Wild Flower
with its
flower colour page,
Site Map page in its flower colour
NOTE Gallery
...Blue Note
...Brown Note
...Cream Note
...Green Note
...Mauve Note
...Multi-Cols Note
...Orange Note
...Pink A-G Note
...Pink H-Z Note
...Purple Note
...Red Note
...White A-D Note
...White E-P Note
...White Q-Z Note
...Yellow A-G Note
...Yellow H-Z Note
...Shrub/Tree Note
Wildflower Plants


Topic - Flower/Foliage Colour
Colour Wheel Galleries

Following your choice using Garden Style then that changes your Plant Selection Process
Garden Style
...Infill Plants
...12 Bloom Colours per Month Index
...12 Foliage Colours per Month Index
...All Plants Index
...Cultivation, Position, Use Index
...Shape, Form

you could use these Flower Colour Wheels with number of colours
All Flowers 53

All Flowers per Month 12
with its
Explanation of
Structure of this Website with

...User Guidelines
All Bee-Pollinated Flowers per Month 12
Rock Garden and Alpine Flower Colour Wheel with number of colours
Rock Plant Flowers 53

...Rock Plant Photos

these Foliage Colour Wheels structures, which I have done but until I can take the photos and I am certain of the plant label's validity, these may not progress much further
All Foliage 212

All Spring Foliage 212
All Summer Foliage 212
All Autumn Foliage 212
All Winter Foliage 212

Flower Colour Wheel without photos, but with links to photos
12 Bloom Colours per Month Index
...All Plants Index


Topic - Wildlife on Plant Photo Gallery
Usage of Plants
by Egg, Caterpillar, Chrysalis and Butterfly

Egg, Caterpillar, Chrysalis and Butterfly usage of
Plant A-C
Plant C-M
Plant N-W
Butterfly usage of Plant

followed by all the Wild Flower Family Pages:-


(o)Adder's Tongue
(o)Bog Myrtle
(o)Cornel (Dogwood)
(o)Crucifer (Cabbage/Mustard) 1
(o)Crucifer (Cabbage/Mustard) 2
(o)Daisy Cudweeds
(o)Daisy Chamomiles
(o)Daisy Thistle
(o)Daisy Catsears (o)Daisy Hawkweeds
(o)Daisy Hawksbeards
(o)Dock Bistorts
(o)Dock Sorrels


(o)Filmy Fern
(o)Royal Fern
(o)Figwort - Mulleins
(o)Figwort - Speedwells
(o)Grass 1
(o)Grass 2
(o)Grass 3
(o)Grass Soft Bromes 1
(o)Grass Soft Bromes 2
(o)Grass Soft Bromes 3 (o)Hazel
(o)Jacobs Ladder
(o)Lily Garlic
(o)Marsh Pennywort
(o)Melon (Gourd/Cucumber)


(o)Orchid 1
(o)Orchid 2
(o)Orchid 3
(o)Orchid 4
(o)Peaflower Clover 1
(o)Peaflower Clover 2
(o)Peaflower Clover 3
(o)Peaflower Vetches/Peas
(o)Pink 1
(o)Pink 2
Rannock Rush
(o)Rose 1
(o)Rose 2
(o)Rose 3
(o)Rose 4
(o)Rush Woodrushes
(o)Saint Johns Wort
Saltmarsh Grasses


(o)Sea Lavender
(o)Sedge Rush-like
(o)Sedges Carex 1
(o)Sedges Carex 2
(o)Sedges Carex 3
(o)Sedges Carex 4
Tassel Pondweed
(o)Thyme 1
(o)Thyme 2
(o)Umbellifer 1
(o)Umbellifer 2
(o)Water Fern
(o)Water Milfoil
(o)Water Plantain
(o)Water Starwort


It is worth remembering that especially with roses that the colour of the petals of the flower may change - The following photos are of Rosa 'Lincolnshire Poacher' which I took on the same day in R.V. Roger's Nursery Field:-


Closed Bud


Opening Bud


Juvenile Flower


Older Juvenile Flower


Middle-aged Flower - Flower Colour in Season in its
Rose Description Page is
"Buff Yellow, with a very slight pink tint at the edges in May-October."


Mature Flower


Juvenile Flower and Dying Flower


Form of Rose Bush

There are 720 roses in the Rose Galleries; many of which have the above series of pictures in their respective Rose Description Page.

So one might avoid the disappointment that the 2 elephants had when their trunks were entwined instead of them each carrying their trunk using their own trunk, and your disappointment of buying a rose to discover that the colour you bought it for is only the case when it has its juvenile flowers; if you look at all the photos of the roses in the respective Rose Description Page!!!!


Links to external sites were valid when I inserted them but they may no longer connect since either the page has been removed or that website is no longer active, so you will have to use your search engine to find either the plant or data yourself


Site Map of pages with content (o)



(o)Unusual Colours

(o)Other Colour



Seed Colour


Website Structure Explanation and User Guidelines









7 Flower Colours per Month in Colour Wheel below in BULB, CORM, RHIZOME and TUBER GALLERY.

Click on Black or White box in Colour of Month.



Besides the above Bulb Flower Colour Comparison Pages, you also have the following Comparison Pages:-
...Bulb Flower Shape -
7 pages of Number of Petals ...... 5 petals,
23 pages of Flower Shape ......... Stars and
7 pages of Natural Arrangements Drumstick

...Bulb Form
7 pages of Bulb Form ...Clump-forming
...Bulb Use
33 pages of Bulb Use ...Mass Planting,
Grow in Patio Pot and
Use in Coastal Conditions
...Bulb Preferred Soil

5 pages of Soil preferred by Bulb ...Chalk

BULB, CORM, RHIZOME AND TUBER INDEX - There are over 700 bulbs in the bulb galleries. The respective flower thumbnail, months of flowering, height and width, foliage thumbnail, form thumbnail use and comments are in the relevant index page below:-
(o): A
(o): B
(o): C
(o): D
(o): E
(o): F
(o): G
(o): H
(o): I
....: J
....: K
(o): L
(o): M
(o): N
(o): O
(o): P
....: Q
....: R
(o): S
(o): T
....: U
(o): V
....: W
(o): XYZ








Bulb, Corm, Rhizome or Tuber Name

Flower Colour with
Flower Thumbnail

with Link to Flower Colour Comparison Page in that month

Form Thumbnail

Height x Width in inches (cms) -
1 inch = 2.5 cms,
12 inches = 1 foot,
36 inches = 3 feet = 1 yard,
40 inches = 100 cms

Foliage Colour with Foliage Thumbnail

Bulb Use


All Alliums have the distinctive onion smell, both in the foliage and bulb. This smell can be used to reduce aphid infestations on flowers by planting 1 each side of the infected plant with a short length of bamboo to indicate that its foliage comes from an ornamental onion rather than a blade of grass.

Allium aflatunense
'Purple Sensation'



May, June

36 x 18
(90 x 45)


Associates very well with silver under-planting.

Probably one of the best known of the drumstick alliums.

Allium altissimum




72 x 36 (in initial years it usually grows a little shorter 48-60 inches) (180 x 90)


It is an excellent cutflower and thrives in inner city environments.

It will live for about 5 years.

Allium ampeloprasum

Purple to Whitish


May, June

36-72 x 6 (90-180 x 15)


The juice of the plant is used as a moth repellant.


Allium amphibolum


June, July

12-16 x 4 (30-40 x 10)

After flowers are over, dead head, but leave the stems to die down.  If flowerheads are required for drying, then wait until the plant is mature enough to produce several flower heads, and then remove half for drying,



and leave the bulb with plenty of energy to die back into the bulb to ensure a good show the following year.  As the foliage is unsightly once it has died back during flowering, it is a good idea to disguise the base in between with herbaceous perennials.

Allium amplectens

White to Pinkish


March, April, May, June

8-20 x 2
(20-50 x 5)


An unusual variety for the rockery.


Allium angulosum

Lilac-Purple or White


June, July, August

8-18 x 12 (20-45 x 30)


Plant with Echinops ritro, Lavandula angustifolia 'Munstead', Myrtus communis and Allium tuberosum.

Native from Europe to Siberia and whole plant is edible.

Allium azureum

Deep Blue


May, June, July

24 x 8
(60 x 20)


Site near front of borders and in containers with silver foliage plants to show off the blue flowers.


Allium 'Beau Regard'



June, July, August

36 x 9-12
(90 x 23-30)


Flowers last for 3 weeks. Cutflower.

Flowers in 8 inch diameter umbel in June-August.

Allium caesium



June, July, August

20-24 x 4 (50-60 x 10)


Good for group planting and as a cut flower.

Chalk, Sand. Native plants on saline soil in semi-desert.

pulchellum 'Album'



July, August,

14 x 12
35 x 30)


It is an excellent cut flower. Looks good growing through Artemesia schmidtiana 'Nana'. Plant in containers or in drifts in the rock garden or border with Heuchera 'Dale's Strain', Sedum 'Oktoberfest' and Talinum calycinum.

Native to the Mediterranean region.

Allium callimischon callimischon - autumn

White with Red stripes


September, October,

6-12 x 12 (15-30 x 30)

Green cylindrical and hollow leaves

These unusual autumn flowering species are ideal on a scree or rockery in full sun. They are hardy and also make nice pot specimens in a cold greenhouse.

Native of the Pelo-ponnese. Plant at soil level and 4 inches (10 cms) apart. All Alliums have the distinctive onion smell, both in the foliage and bulb. This smell can be used to reduce aphid infestations on flowers by planting 1 each side of the infected plant.

Allium cepa var viviparum




18-24 x 6-9 (45-60 x 15-23)


Suits the border, a herb garden or in vegetable garden.

Egyptian Tree Onion. Drumstick flowers are produced in June, and these are replaced by small bulbils that can be used as a mild salad onion.

Allium cernuum

Light Pink


June, July, August

8-18 x 2
(20-45 x 5)



Grows in dry woods, rock outcroppings and prairies.

It naturalises easily making attractive drifts without becoming a nuisance.


Purple-Metallic Blue


June, July

24 x 8
(60 x 20)


The faded flowerheads hold up well in the border and are useful for dried flower arrangements.


Allium cowanii



April, May, June

24 x 4
(60 x 10)


Use flowers as edible parts of a salad. It lasts for 3 weeks as a cut-flower.


Allium crenulatum



May, June, July

3 x 4
(8 x 10)



Plant at 2 inch (5 cms) depth with an inch (2.5cms) of fine grit under them for drainage and 4 inches (10 cms) apart.

Allium cupanii

Pink or nearly White


May, June, July, August, September, October

5-10 x 4
(13-25 x 10)


Its habitat is Pinus nigra forest, amongst Quercus pargana, alpine and grey steppe rocky places on limestone, serpentine and schist, to 2200 metres in Turkey.

Edible plant with medicinal use to reduce cholerestol levels.

Allium cyaneum



August, September,

6-12 x 4
(15-30 x 10)



Plant at 4 inches (10 cms) depth with an inch (2.5cms) of fine grit under them for drainage and 4 inches (10 cms) apart. Never plant at perfectly measured distances apart as this looks artificial - plant in clumps of 5, 7 or 9 in a staggered group so that they look more natural when they flower.

Allium cyathophorum
var farreri



May, June, July

12-15 x 9-12 (30-43 x 23-30)


Use on a scree or rock garden.

Grows on grassy slopes at high elevations in China.


Pinkish, Red-Purple, or White-streaked Purple


May, June

2-3 x 6
(5-8 x 15)


It is often found on slopes with excellent drainage.

It is also never found too far away from oak trees, relying on the organic matter from decaying oak leaves.

Allium flavum



June, July, August

14 x 2
(35 x 5)



Best planted in clusters or allowed to self-seed, it does of its best in an open, sunny position in well-drained soil.


Allium flavum nanum

Lemon-peel Yellow


June, July, August

4-6 x 2
(10-15 x 5)


It is a good rock garden plant.

The 40 flowers on the densely clustered flower head open in succession to give a long-lasting display.

Allium geyeri



April, May

3-12 x 2
(8-30 x 5)



Easy to grow species from the meadows of the western USA, producing small bright pink flowers.

Allium giganteum



June, July

60 x 6
(150 x 15)


Try it dotted in small groups among ornamental grasses.

A huge tall spike some 1.5m (5ft) tall bearing a very dense umbel of bright purple flowers.




May, June

68 x 12
(170 x 30)


The foliage dies off as the flowers open, so companion plant with Geranium sanguineum 'Album' to conceal the dying foliage and flower at the same time.


Allium 'Globemaster'



May, June, July

28-36 x 8 (70-90 x 20)


It is deer and rodent resistant. Excellent cut flower. Looks good surrounded by practically anything, but pairs especially well with white, pink or purple perennials. Hardy geraniums, which bloom at the same time, are ideal.


Allium 'Globus'

Pale Mauve



24 x 9-12
(60 x 23-30)


A good cut flower.

Pale mauve spheres on 20 inch stems in June.




May, June

48 x 12
(120 x 30)


One of the taller species, so great for adding height to the border.

This produces large drumsticks of white star-shaped flowers up to 10cm (4") across at the start of June.

Allium 'His Excellency'



May, June

36 x 12
(90 x 30)


Long-lasting cut flower.

Foliage is glossy and persists until well after flowering.

Allium x hollandicum



May, June, July

30-36 x 12 (75-90 x 30)


It is an excellent cut flower.

Native to central China. Flowers when all the tulips are gone. Prefers alkaline well-drained soil




June, July

31 x 12
(78 x 30)


An excellent cut flower

A flower with quite loose formed umbels, in a rich deep purple, with 40 inch stem .

Allium jesdianum ssp

Dark Purple


May, June, July

24 x 6-9
(60 x 15-23)


Neither deer nor rabbits eat them.

Native from central Asia to Afghanistan.

'Michael Hoog

Bright Violet


May, June

48 x 12
(120 x 30)


Good cut flower and ideal for mass planting.

The new foliage is attractive in that the leaves all have red tips when they first emerge. Increases well and is quite happy in any soil.

'Purple King

Deep Purple


May, June, July

28 x 12
(70 x 30)


Good cut flower. It will not grow if planted after December.

Requires plenty of moisture when growing; tolerates growing in very wet soil.


Dark Purple


April, May

29 x 12
(73 x 30)



Flowers on 28 inch stems. Plant bulb at 6 inch depth with an inch (2.5cms) of fine grit under them for drainage and 8 inches (20 cms) apart.

Allium karataviense

White with a
hint of Rose


May, June

10 x 32
(25 x 80)

Glaucous Blue


A very useful allium, its large glaucous foliage makes for excellent, well behaved groundcover.

Silvery-white flower spikes grow up some 20cm. (8"). Deserves to be used more often.

Allium karataviense
'Ivory Queen



May, June

10 x 8
(25 x 20)



Makes ideal ground-cover and looks great in tubs. Looks wonderful in low glazed pots alongside pots of hostas and heucheras.

Blue-Green, 4-6 inch wide leaves spreading over ground.

Allium lenkoranicum

Buff to Rose


June, July, August

14-20 x 2 (35-50 x 5)


The allium lankoranicum is best planted en masse - from the top 20 classic and unusual bulbs article in The Telegraph.

4-5 thread-thin long Green leaves.

Allium 'Lucy Ball'



May, June, July

40 x 12
(100 x 30)


Great cut flower and ideal for pots.

Flowers on 36 inch stem in 8 inch diameter umbel. Erect habit.

Allium macleanii



May, June, July

36-40 x 6 (90-100 x 15)


Grows well with roses, carrots, beet and chamomile, but inhibits the growth of legumes. Dislikes dry soils. Great cut flower and ideal for pots.


Allium macranthum



July, August

6 x 4
(15 x 10)


Interplant with ferns both to fill the space when its below ground and to lend a little support in high wind.

Grows in high mountain meadows and stream banks in moist soil.

Allium 'Mars'



May, June

48 x 4
(120 x 10)


Excellent long-lasting cut-flower.

Flower umbel on 36 inch stem in May-June. Seedheads look great covered in frost during the winter.

Allium maximowiczii

Rose-Pink and
Dark Pink


May, June, July

6 x 4
(15 x 10)



The 10.3Mb PDF of the Phanerogram Flora of Mt. Yupari, Prov. Ishikari, Hokkaido, Japan produced by Nosaka, Shiro of Hokkaido University in Japan provides further details of its native habitat.

Allium moly

Bright Yellow


June, July

8 x 4
(20 x 10)


Excellent long-lasting cut-flower. Excellent for the rockery, or for under planting roses.


Allium moly 'Jeannine'



May, June

12 x 12
(30 x 30)


A good and easy plant for rock garden or border and suitable for naturalising in rough ground. Attracts butterflies. Easy to establish in grass or under deciduous shrubs.


Allium 'Mont Blanc'



May, June, July

52 x 4
(130 x 10)


Excellent cut-flower.

Mulch with 3 inch depth of straw in October to provide frost protection during the following winter period after planting it. Late planting (Planting Season: September-December) prevents bulbs making early shoots, which can be easily damaged by frost.

Allium multibulbosum

White with
Reddish veins


May, June, July,

12-24 x 6 (30-60 x 15)



Strap-like 2 inch wide Mid-Green leaves emerge in April. Black centre within each white small flower of the 6 inch diameter umbel on a 28-36 inch stem.

Allium neapolitanum



March, April, May

12 x 4
30 x 10)


An excellent variety to naturalise on the rock garden.

This edible, erect-habit, bulb is native to Northern Italy and frequently found growing in grassy areas.

It is classed as an invasive species in parts of the U.S.A.

Allium nevskianum



May, June

12 x 15
30 x 38)



2 attractive blue-grey wide leaves are held at ground level and last through flowering. Between the leaves, in May-June, appears a large, deep reddish 5 inch globe of flowers.

Allium nigrum

White with
Green midribs


April, May, June

20-40 x 16 (50-100 x 40)


Allium companions are Allium 'Forelock', Allium ascher-sonianum and Allium aflatunense 'Purple Sensation'.

Strap-shaped Grey-Green leaves which start to die back when the flowers emerge. There is a pink form of Allium nigrum (Syn. Allium auctum).

Allium nutans



June, July

18-36 x 9-12 (45-90 x 23-30)


The whole plant is said to repel insects and moles.

Native to Siberia and Central Asia and has edible leaves.

Allium obliquum

Pale Yellowish-Green


March, April,
May, June, July

18-36 x 12 (45-90 x 30)


The juice of the plant is used as a moth repellent. The whole plant is said to repel insects and moles.

All parts are edible - the bulb is used as a garlic substitute in Siberia.

Alium paradoxum
ssp normale



March, April

14 x 12
(35 x 30)



Pure White flowers in umbel on 8 inch stem in March-April. Self-sows in mild-winter climates. The shiny green leaves have a central raised vein on the upper surface, and give the distinct impression that the leaves are upside-down.

Allium plummerae

Icing Pink or White


June, July,
August, September

12 x 12
(30 x 30)



Very reliable, non-invasive and clump-forming species.

Noxious weed in only 46 states of USA; one of the Federal and State Noxious weeds.

Allium oreophilum



May, June

4-6 x 8
(10-15 x 20)



Use in borders, rock gardens and in ground covers.

Never plant at perfectly measured distances apart as this looks artificial - plant in clumps of 5, 7 or 9 in a staggered group so that they look more natural when they flower.

Allium pulchellum



July, August

24 x 4
(60 x 10)


It is an excellent cut flower.

Native to the Mediterranean region. Forms a good clump quickly but is not invasive.

Allium ramosum



June, July

10-20 x 6-12 (25-50 x 15-30)


The flower petals can be used as a garnish on salads. The grass-like foliage can be cut and used as a herb with a slightly lighter and fresher taste than common chives.

'Chinese Chives'.

Allium rosen-bachianum

Dark Violet



36 x 4
(90 x 10)


The flowers hold their form and colour for 3-4 weeks and are excellent for both cut and dried bouquets.

Dark Violet 5 inch diameter flowers on 24 inch leafless stems in May.

Allium roseum

Bright Pink


April, May, June, July

6-22 x 20 (15-55 x 50)


The smell and flavor of the bulb is powerful enough to drive squirrels and browsing deer away from gardens, where they are planted as ornamental flowers. For this reason, they are suitable as companion plants to tulips and the like.


Allium 'Round
and Purple



April, May, June, July

36-48 x 10 (90-120 x 25)


Allium 'Giganteum, Allium 'Globemaster' and Eremus (foxtail lilies) together produce a magnificient flower display. Good in containers and excellent cut flower.


Allium saxatile

Mid-Pink through
to White


July, August,

4-14 x 2 (10-35 x 5)


Ideal for Alpine Gardens and in a Trough.


Allium schoeno-prasum

Lilac or Pale Purple


May, June, July, August

4-18 x 12
(10-45 x 30)


Chives are grown for their edible leaves in Woodland garden sunny edges, hedgerows and cultivated beds.


Allium schoeno-prasum



May, June, July, August

10 x 10
(25 x 25)


White Chives.

In cold regions, chives die back to the underground bulbs in winter, with the new leaves appearing in early spring.

Allium schoeno-prasum



May, June, July

12 x 4
(30 x 10)


The best way to harvest and maintain a fresh supply of chive leaves is to cut them to about 1 inch (2.5 cms) above the ground four times a year.

Allium schubertii

Pink and Silver


April, May, June, July

12-24 x 8 (30-60 x 20)


This is perfect for front of borders or large pots and containers.

This bears the largest flowers of all of the allium family.

Allium scorodo-prasum

Lilac to Purplish


May, June, July, August

16-36 x 4
(40-90 x 10)


A bulbous, perennial herb spreading mainly by bulbils in rough grassland and waste ground, on road verges and track sides and by railways.





May, June, July, August

24 x 8
(60 x 20)


Looks superb growing through Artemisia 'Powys Castle' or other silver foliage. Very effective when massed in tight clumps in a sunny border. Suitable for a gravel garden and is deerproof.





May, June

48 x 10
(120 x 25)


Excellent cut-flower (cut flowers last as long as 3 weeks. Good as a dried flower. Plant with Anthriscus sylvestris 'Ravenswing', Aquilegia vulgaris var. stellata 'Black Barlow', Artemesia ludoviviciana 'Valerie Finnis' and Deschampsia cespitosa.





May, June

36 x 12
(90 x 30)


Can be grown in pots. Plant with blue-flowering geraniums and Alchemilla mollis. Excellent cut-flower.

These flowers can be left on the plant for many months.

'Mount Everest




48 x 4
(120 x 10)


Excellent cut-flower (cut flowers last as long as 3 weeks).

White star-shaped 4-6 inch spherical flowers on 48 inch stem in June. These flowers can be left on the plant for many months.

Allium triquetrum

White with
Green midvein


April, May, June

18 x 8
(45 x 20)



Excellent as ground cover.

Do not use in USA

Allium unifolium



April, May, June

8-24 x 12 (20-60 x 30)



Grey-Green leaves emerge first and then die down before the flowers open.

Allium ursinum



May, June

12 x 12
(30 x 30)


Naturalizes well even in quite dense shade. Grow with roses, carrots, beet and chamomile, but it inhibits the growth of legumes.


Allium vineale 'Hair'

Green hair-like petals


June, July, August

30 x 4
(75 x 10)


Use as upper storey in a flower arrangement. It lasts for 2 weeks as a cut-flower.


Allium wallichii

Rose-Purple with
Green middle


July, August,

6-30 x 4
(15-75 x 10)


Provides a welcome splash of colour in the autumn border.

These plants can be allowed to self-seed to make impressive clumps.

Allium zebdanense



April, May, June

8-24 x 12
(20-60 x 30)


Unparalled for the dry shady garden, although it will grow in Sun too. Suitable for Seaside gardens and gravel gardens. Thrives in hot dry conditions where not much else will grow.



Anemone baldensis




6 x 6
(15 x 15)


Should be grown in light shade where summers are hot; in full sun in cooler climates. Can be grown with green carpet rupturewort to provide a light green background for the flowers.


Anemone blanda

Deep Blue


April, May

6 x 6
(15 x 15)


Companion plants from the Department of Horticultural Science of NC State University for Anemone blanda and its cultivars


Anemone blanda
'Blue Shades

Mid to Dark Blue


April, May


Cushion Form

6 x 6
(15 x 15)


Use to create a blue carpet in your border between your deciduous shrubs and interplant with Narcissus 'Ice King' and Galanthus nivalis.


Anemone blanda

Deep Pink


April, May

6 x 6
15 x 15)



Clump-forming habit, can be grown in pots and are ideal cut flowers. They are ideal layered under white or soft yellow daffodils or peachy/pink cup of daffodil 'By George'. They are deer, rabbit and squirrel resistant.


Anemone blanda
'Pink Star

Phlox Purple


March, April


Cushion Form

5 x 6
(13 x 15)



Phlox Purple in March-April. The richer in humus the soil is, the more flowers each corm will produce over a 4 to 6 week period. They open their blooms in the morning and shut them at night.

Anemone blanda

Deep Magenta with White centre


April, May

4 x 4
(10 x 10)


Clump-forming habit, can be grown in pots provided they are not given any heat.


Anemone blanda rosea

Light and Mid-Pink


April, May


Mat-Forming Form

6 x 4-20
(15 x 10-50)

Companion plants :-
Alyssum, Arabis, Aster alpinus, Centaurea dealbata, Coreopsis, Digitalis, Gypsophila paniculata, Hemerocallis (yellow cultivars), Iris (rhizomatous white and yellow cultivars),

Bronze-tinged Dark Green


More Companion plants :-
Kniphofia (yellow cultivars), Peonies (white and yellow cultivars), Verbascum, Rhododendron species (deciduous and evergreen), Cotoneaster, Berberis, Acer palmatum, Deutzia gracilis and Weigela.


Anemone blanda
'Violet Star

Rich Violet with
White centre


March, April, May


Cushion Form

6 x 4
(15 x 10)


Mound-forming habit, can be grown in pots provided they are not given any heat. Use to underplant roses and deciduous shrubs/trees.


Anemone blanda
'White Splendour



March, April, May

6 x 10
(15 x 25)



Clump-forming habit, can be grown in pots provided they are not given any heat. Use to underplant roses and deciduous shrubs/trees. Lasts well for up to 2 weeks in water as a cut flower. Excellent ground cover as large clumps are quickly formed.


Anemone coronaria
'de Caen

Red, Blue or White


March, April,
May, June

12 x 6
(30 x 15)



Plant tubers 3 inches deep and spaced about 3 inches apart in bold drifts in Sep-Oct for spring-flowering; Mar/Apr for Jun-Jul flowering; May-Jun for Sep flowering.

Anemone coronaria
'St Brigid

Red, Blue,
Orange, Pink,
Purple or White


February, March,
April, May, June,
July, August,
September, October

14-16 x 6
(35-40 x 15)


Does not grow well in gardens in cooler climates, prefers warmth. Must be given protection of frames or greenhouses in colder areas.


Anemone demissa

White, Blue, Red
or Purple


May, June, July

6 x 6
(15 x 15)



Native to forests, sparse forests, scrub, grassy slopes and streamsides from 3000-5000 metres in North India.

Anemone hupehensis

White, Pink or Purple


August, September

36-48 x 18 (90-120 x 45)


Good Companions - Japanese anemones mix well with many vibrant autumn flowers, including Aster 'Little Carlow' and Aster laevis 'Calliope'.


Anemone x

Pale Yellow


March, April, May

6 x 18
(15 x 45)


These plants are ideal for a woodland or rock garden, where they spread very slowly due to the fine network of roots that they create between the deciduous trees/shrubs. Makes a pretty colour combination with red or plumy forms of Helleborus x hybridus.


Anemone narcissiflora

White and White tinted Blue or Yellow


May, June, July

3-24 x 20
(8-60 x 50)


Edible leaves and roots, are suitable for maritime gardens, clump-forming form, are immune to predations by rabbits and are greedy plants, inhibiting the growth of nearby plants, especially legumes.


Anemone nemorosa



April, May


Spreading Form

4 x 12
(9 x 30)


Found growing in woodlands. A good bee and bumblebee plant.

Anemone nemorosa is native to Europe including Britain.

Anemone nemorosa
'Alba Plena



April, May, June

6 x 10
(15 x 25)



Plant 2 inches deep and 6-8 inches (20 cms) apart. Further growing instructions from The Telegraph.

Anemone nemorosa

Lavender Blue


April, May

8 x 20
(20 x 50)


Combines beautifully with spring-flowering bulbs and wildflowers, particularly yellow narcissus.

Once the clumps get large they may be divided in early fall by digging and ripping apart into pieces.

Anemone nemorosa
'Bracteata Pleniflora

White and Green


April, May, June

6 x 6
(15 x 15)



White woodland anemone which is unusual in that it has three different styles of flowers growing on the same plant- some are single, some double, and some double with a green ruffle.

Anemone nemorosa



April, May, June

6 x 6
(15 x 15)


Clump-forming form. Good partner with rhododendrons.

Large open flat white flowers on maroon-tinted stems.

Anemone nemorosa

Wisteria Blue


April, May

5-6 x 20
(13-15 x 50)



Has wisteria-blue flowers in late spring. The foliage is dark green tinged with purple. The foliage tends to die down in the summer, ready to re-emerge the next spring.

Anemone nemorosa

White with
White Button


March, April


Mat-Forming Form

5-6 x 6
(13-15 x 15)


Ideal ground cover in shady areas or woodland gardens.

White flower with tightly packed button in the middle of the flower, developing from the previously yellow centre, in March-April. These flowers can often last for 2-3 weeks if the weather conditions are cool. Overall flowering period is around 8 weeks long.

Anemone ranunculoides



February, March,
April, May

12 x 20
(30 x 50)



It is good to know that "if planted in optimal conditions, it can flourish for years past its gardener." Caring for an Anemone Ranunculoides article provides the growing instructions to grow a healthy plant.

Anemone ranunculoides

Bright Yellow



6 x 18
(15 x 45)


Buttercup Anemone grows in forests and in rock and alpine gardens. The bronzy-dark-green foliage dies back to its rhizomes by July, so grow under Tricyrtis.


Anemone rupicola

White, Yellowish
or Purplish


June, July,

4-10 x 6
(10-25 x 15)


Suitable in rock garden with reasonable depth of soil mixture.


Anemone trullifolia

White fading to Blue.
Can be White,
Yellow, Pinkish,
Purplish or Blue in



6 x 12-15
(15 x 30-38)


Its native habitat is streamsides in forests and alpine meadows.

Avoid soil becoming completely dry during the summer and suspend watering in the winter.


Ivydene Horticultural Services logo with I design, construct and maintain private gardens. I also advise and teach you in your own garden. 01634 389677


Site design and content copyright ©December 2011.
Page structure amended November 2012. Above links in this table updated June 2015. Thumbnails with Height/ Width added and Feet changed to inches (cms) October 2015. Foliage Thumbnails, Bulb Use and Comments added March 2016. Colour Wheel per Month and Index to other Bulbs in other Bulb Galleries added May 2017. Bulb description Pages updated April, May 2018.

Chris Garnons-Williams.

DISCLAIMER: Links to external sites are provided as a courtesy to visitors. Ivydene Horticultural Services are not responsible for the content and/or quality of external web sites linked from this site.  

The popularity of these ornamental onions shows no sign of waning - and with good reason, for they are a dramatic addition to any hot sunny border. As a general rule the foliage will emerge first and then die down as the flower stems emerge. It is often best to plant them with other plants that will mask the unsightly foliage as it dies back. After flowering R.V. Roger's staff find it important to dead head them by removing the flower head but leaving the flower stalk. This will allow the plant to put enough energy back into the bulb to ensure a good show the following year. If you want to preserve the seed heads on the plant to provide winter interest wait until the bulb is old enough to produce several flower heads and then remove half after flowering, providing you and the bulb with a good compromise.


In The Garden with Bill Cary:-
"Gardeners who really pay attention to the bloom sequence in their spring beds have probably noticed there’s a long lull, usually in mid- to late May, between the colorful riot of spring bulbs and the launch of the first summer bloomers.

  • The crocuses, tulips and daffodils have faded and the rest of your garden is greening up for summer, but bright colors seem to be missing. Why not try alliums to fill in this quiet time in the garden?
  • With their oversized flower heads — some are as big as your head — and dramatic height and architecture, alliums add a wonderful exclamation point to any bed or border. These showstoppers also bloom later than the other spring bulbs.
  • Alliums are related to other plants in the onion family, like chives, garlic and leeks. They want full sun and fairly fertile, well-drained soil — the softball-sized bulbs will rot if they sit in water in the winter.
  • Like all spring-blooming bulbs, alliums need to be planted in the autumn, well before the ground freezes for winter. October is perfect.
  • Don’t just plant one or two or three. Bulbs have the most bang when planted in large clusters.
  • Follow the planting instructions that come with the bulbs for spacing and depth. In general, dig a hole that’s three times deeper than the width of the bulb. Big alliums like ‘Globemaster’ should be planted about 6 inches (15 cms) apart.
  • Good companion plantings for ‘Globemaster’ include day lilies, nepeta, lavender, lamb’s ear, iris and hardy geraniums.
  • The vibrant ‘Globemaster’ flowers should last three to four weeks in the garden — or bring them indoors for a fun, whimsical arrangement in a vase.
  • Alliums are totally critter proof — no deer, no rabbits, no squirrels (though some people in our suburbs seem to have Viking-like squirrels that will go after anything).

I guess it never hurts to cover your bulb-heavy beds with chicken wire or some other screening to keep them safe until you begin to see green tips emerging in spring."

Functional combinations in the border from the International Flower Bulb Centre in Holland:-

"Here is a list of the perennials shown by research to be the best plants to accompany various flower bulbs. The flower bulbs were tested over a period of years in several perennial borders that had been established for at least three years.

In combination with hyacinths:

In combination with tulips:

In combination with narcissi:

For narcissi, the choice was difficult to make. The list contains only some of the perennials that are very suitable for combining with narcissi. In other words, narcissi can easily compete with perennials.

In combination with specialty bulbs:


There are other pages on Plants which bloom in each month of the year in this website:-





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