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Flowers. Photo from Chris Garnons-Williams on 16 September 2013. |
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Plant Name |
Amicia zygomeris The etymological root of the binomial name Amicia is named after Giovanni Battista Amici (1786 – 1863), an Italian astronomer. Zygomeris is derived from the Greek zugos meaning ‘yolk’ and meris meaning ‘part’. |
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Common Name |
Yoke-leaved amicia, Gotta Pea |
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Soil |
Chalk, Sand or Loam |
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Sun Aspect |
Full Sun |
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Soil Moisture |
Moist and well-drained |
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Plant Type |
Herbaceous Perennial |
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Height x Spread in inches (cms) |
60-100 x 40-60 (150-250 x 100-150) |
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Foliage |
Mid Green, flushed red, flushed purple, heart-shaped leaflets, which fold up at night |
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Flower Shape, Natural Arrangement, Number of Petals and Flower Colour in Month(s). Seed |
Bunch of Pea-shaped, Purple and Yellow flowers in September-November |
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Comment |
Erect and clump-forming Form. Pruning Group 14. "Amicia are upright perennials with alternate leave composed of 4 leaflets, with conspicuous purple-veined stipules and pea-like flowers in autumn. Amicia zygomeris is a woody-based perennial with leaves composed of 2 pairs of heart-shaped leaflets. In autumn, pea-like purple and yellow flowers 3cm wide open in short racemes. Outdoors grow in well drained fertile soil in full sun; mulch in winter in frost prone areas. Will tolerate temperatures down to -10°C (14°F) and regenerate from the woody base if cut back by frost. Under glass grow in loam-based potting compost (JI No.2) in full light." from Royal Horticultural Society. "When plantsman Sean Hogan shared this with me under the guise of it being hardy, I had to laugh. Although Amicia zygomeris is native to the mountains of Mexico, I never expected it to survive our winters. Despite a late planting in 2004 and a severe hit-and-run with a rabid wheelbarrow, up it came in spring like nothing had happened. Amicia zygomeris is an alien-looking pea relative that makes a 7' tall, upright perennial with glaucous green foliage that folds up at night. Near the top of the fuzzy stems, the leaf axils are adorned with funny-looking, purple-stained stipules. The amicia stalks are also adorned with large, yellow, pea-like flowers throughout the summer and until frost." from Plant Delights Nursery. Do remember to inoculate your wheelbarrows in America against being rabid and self-moving in order to protect these poor defenceless plants!! "I did it exactly the way Christopher Lloyd suggests in his Exotic Planting for Adventurous Gardeners book and had a good success rate. I got a smallish plant fairly late last summer which I kept potted and took semi-ripe cuttings in late October. Because it's quite a soft-leaved plant you do need to be quick about taking the cuttings and potting them up otherwise they wilt really quickly. As it was only a small plant I had last year, I only managed to take 3 cuttings from it, but 2 of them rooted within 4-6 weeks, kept in a propagator to keep the leaves turgid. This year the plant I put out has got quite big (would probably be 6 feet tall if it hadn't flopped so much in all the wind and rain) and I hope to take more cuttings, again in late October when the stems are a bit riper." from Hardy Tropicals UK. "Right at the bottom of the Glasshouse Bay adjoining the Tropical Rainforests display is the unstoppable Amicia zygomeris." in the Cambridge University Botanic Garden. Available from Shoot and Cotswold Garden Flowers in the UK with Plant Delights Nursery in America. |
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Companions |
... |
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Autumn Foliage. Photo from Chris Garnons-Williams on 16 September 2013. |
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Winter Form from Mixed Borders at RHS Wisley. Photo from Chris Garnons-Williams on 4 March 2013. |
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Spring Form from RHS Wisley. Photo from Chris Garnons-Williams on 15 May 2013. |
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Summer Form from Mixed Borders at RHS Wisley. Photo from Chris Garnons-Williams on 29 August 2013. |
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Winter Foliage from Mixed Borders at RHS Wisley. |
Flower Bud from Mixed Borders at RHS Wisley. |
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Summer Foliage from Mixed Borders at RHS Wisley. |
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Juvenile Flower from Mixed Borders at RHS Wisley. |
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MIXED BORDER RHS WISLEY HERBACEOUS PERENNIALS GALLERY PAGES |
FOLIAGE COLOUR |
SEED/FRUIT COLOUR FLOWER BED PICTURES |
Starting with the data in Garden Style followed by Infill Plants, then you can refine your plant list from the remaining galleries in this cell:- |
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PERENNIAL |
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HERBACEOUS PERENNIAL Gallery with 7 Flower Colours (Red, Pink and Purple on same page) per Month in Colour Wheel. Click on Black or White box in Colour of Month. |
HERBACEOUS PERENNIAL INDEX -
The variety of plants that can be used in alpine gardening is obviously very large and very bewildering at first approach. With a view to easing the task of selection here are lists The standard potting and seed-soil recipes from The Propagation of Alpines by Lawrence D. Hills are at the bottom of the page on Alpine - Sink and Trough Gardens. |
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To compare |
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with 7 Flower Colours - Blue, White, Yellow, Green for Unusual, Red, Orange and Pink per Month in Colour Wheel below. Click on Black or White box in Colour of Month. |
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The Herbaceous Perennials in this gallery are not compared with other Herbaceous Perennials in the HERBACEOUS PERENNIAL GALLERY, but they are compared with each other in the Mixed Border Garden Design Gallery using the above 7 Flower Colours per month Wheel. FLOWER COLOUR RANGE IN 71 PARTS OF RHS WISLEY MIXED BORDER DURING After reviewing the situation in the |
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Blue = |
Green = |
Red = |
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Brown = |
Blue = |
Green = |
Red = |
Black = |
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Wet Soil |
Moist Soil |
Dry Soil |
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Flowering Months range abbreviates month Click on centre of thumbnail to move from this page to the The Comments Row of that Plant Description |
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Herbaceous Perennial |
Flowering Months |
Height x Width in inches (cms) - 1 inch = 2.5 cms, 12 inches = 1 foot = 30 cms, 36 inches = 3 feet = 1 yard = 90 cms, 40 inches = 100 cms |
Flower Thumb-nail |
Herbaceous Perennial Flower Thumbnail |
Flowering Months |
Height x Width in inches (cms) - 1 inch = 2.5 cms, 12 inches = 1 foot = 30 cms, 36 inches = 3 feet = 1 yard = 90 cms, 40 inches = 100 cms |
Flower Thumb-nail |
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Alpine Herbaceous Perennial if Text Background is Blue |
Alpine Herbaceous Perennial if Text Background is Blue |
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Evergreen or Semi-Evergreen Perennial |
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A |
A |
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May, June, |
48-60 x 24 |
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96 x 40 |
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June, July, August, |
36 x 24 |
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48 x 24 |
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June, July, |
48 x 18 |
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40-60 x 20-40 (100-150 x 50-100) |
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June, July, |
36 x 18 |
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June, July, |
60 x 40 |
Creamy-White. |
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June, July, |
48 x 24 |
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32-39 x 24 (80-100 x 60) |
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May, June, |
36 x 24 |
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July, August, September |
64 x 16 |
Violet-Blue. |
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June, July, |
20 x 15 |
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August, September |
96 x 40 |
Dark Blue. |
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June, July, August, |
28 x 18 |
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July, August |
40-60 x 4-20 (100-150 x 10-50) |
Violet-Blue. |
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June, July, August, |
36 x 16 |
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24-48 x 18-24 |
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June, July, August, |
36-42 x 12 |
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48 x 36 |
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June, July, |
16-48 x 12 |
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70 x 40 |
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July, August, |
42 x 36 |
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August, September, October |
80 x 24 |
Creamy-White. |
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July, August |
40 x 80 |
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60 x 24 |
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December, January, |
18 x 30 |
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40 x 20 |
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July, August, |
30 x 18 |
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60 x 24 |
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June, July |
20 x 18 |
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18 x 12 |
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July, August, |
24 x 24 |
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July, August |
36 x 20 |
White. |
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July, August, |
30 x 24 |
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32 x 24 |
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June, July |
72-96 x 24 |
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36 x 16 |
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June, July |
72-96 x 24 |
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40 x 16 |
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June, July |
72-96 x 24 |
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July, August, September, October |
48 x 24 |
White. |
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June, July |
72-96 x 24 |
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24 x 16 |
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June, July |
72-96 x 24 |
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20-40 x 4-20 |
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June, July |
72 x 24 |
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28 x 24 |
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June, July, |
4 x 20 |
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July, August, September |
72 x 60 |
Pinkish-Lavender |
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June, July, |
16 x 12 |
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60-100 x 40-60 |
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July |
24 x 230 |
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20-40 x 20-40 |
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June, July, |
36 x 24 |
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August, September, October |
24-40 x 24-40 |
Pale Pink. |
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August, September, |
36 x 24 |
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40-60 x 20-40 |
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Pink - July, August or |
24 x 16 |
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60 x 24 |
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July, August |
36 x 18 |
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July, August, September |
60 x 24 |
Cream. |
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July, August |
25 x 16 |
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August, September |
24 x 24 |
Yellowish-Brown. |
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May, June |
16 x 18 |
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July, August, September |
60 x 18-24 |
Pink. |
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May, June |
30 x 12 |
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September, October |
12-36 x 12-36 |
White. |
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June, July, August, September, October |
36 x 12 |
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July, August, September, October |
4-20 x 4-20 |
Red and White. |
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July, August, |
28 x 16 |
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September, October |
52 x 24 |
Mauve-Pink. |
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August, September, |
12 x 12 |
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September, October |
60 x 16-24 |
Lilac-Blue. |
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July |
30 x 18 |
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August, September |
12-18 x 8-12 |
Purple-Pink. |
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August, September |
8-12 x 10 |
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45 x 78 |
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June |
20-24 x 12 |
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September, October |
48 x 36 |
Purple-Red. |
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July |
24 x 18 |
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August, September, October, November |
48-60 x 24 |
Pale Violet. |
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July, August |
39 x 24 |
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24 x 16 |
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August, September |
48 x 24 |
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B |
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June, July |
18-24 x 18 (45-60 x 45) |
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40-60 x 20-40 |
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July, August |
24 x 18 |
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C |
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July, August |
8-18 x 12 |
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60 x 24 |
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June, July |
24 x 18 |
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48 x 20 |
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B |
24-36 x 18-30 |
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April, May |
12-18 x 24 |
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24 x 12 |
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April, May |
12-18 x 18 (30-45 x 45) |
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June, July |
60-100 x 40-60 |
White. |
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June, July, August, |
24 x 18 |
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20-40 x 4-20 |
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C |
24 x 24 |
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April |
9 x 12 |
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August, September, October |
35 x 23 |
Opening Orange fades to Pink. |
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June, July, |
2 x 12 |
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36 x 18 |
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June, July, |
36-48 x 24 |
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June, July, August, September |
60 x 48 |
Purple. |
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June, July, |
24 x 24 |
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D |
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July, August, September, |
36 x 24 |
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May, June, July, August |
80 x 40 |
Creamy-Yellow-Green. |
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D |
E |
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July, August, September |
60 x 18 |
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18-24 x 14 |
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Links to the other 22 Diascia Pages are in Alpine / Herbaceous Perennial Index D Page |
June, July, August, |
6 x 20 |
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40 x 18 |
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May, June |
18 x 30 |
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28 x 16 |
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May, June |
24-36 x 20 |
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39 x 39 |
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E |
July, August |
18-48 x 24 |
Bright Blue. |
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July, August, September |
30-48 x 18 (75-120 x 45) |
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40-60 x 20-40 |
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F |
12-60 x 24 |
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June |
6 x 6 |
White |
88 x 40 |
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G |
Eupatorium maculatum (Atropur-pureum Group) 'Riesen-schirm' |
July, August, September |
80 x 80 |
Pink-Purple. |
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August, September |
24 x 18 |
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August, September, October |
60-100 x 20-40 |
Purplish-Pink. |
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June, July |
32 x 18 |
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24 x 20 |
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June, July |
12 x 12 |
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F |
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July, August, |
4 x 12 |
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60-100 x 20-40 |
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July, August |
60 x 72 |
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July, August |
72 x 18 |
Sulphur-Yellow. |
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H |
60 x 20 |
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September, October, |
60 x 18 |
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G |
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August |
48 x 30 |
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48 x 36 |
White. |
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August |
20 x 36 |
Deep Violet |
48 x 32 |
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July |
36 x 48 |
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36 x 36 |
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K |
Geranium 'Rozanne' |
24 x 16 |
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September, October |
24 x 18 |
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24 x 18 |
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July, August |
36 x 24 |
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24 x 20 |
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September, October |
30 x 18 |
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H |
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L |
July, August, September |
72 x 24 |
Yellow. |
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May, June, |
24 x 12 |
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June, July, August |
36 x 24 |
Brick Orange Red. |
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April, May, |
12 x 18 |
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38-51 x 16 |
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August, September, |
48 x 36 |
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20-40 x 4-20 |
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June, July, |
3 x 6 |
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72 x 24 |
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June, July |
12 x 12 |
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20-40 x 4-20 |
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June, July, August, |
36 x 12 |
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September, October |
96-120 x 12-36 |
Yellow rays and dark Brown disc. If it flowered in Sep-Oct, I missed taking their photos |
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April, May, |
48 x 24 |
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80 x 48 |
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May, June |
12 x 18 |
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80 x 18 |
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July, August |
36 x 24 |
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23 x 30 |
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M |
20 x 40 |
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May, June, |
12 x 36 |
Yellow with |
30 x 24 |
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May, June, |
12 x 24 |
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32 x 40 |
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P |
18 x 12 |
Cream. |
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June, July |
36 x 36 |
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26 x 20 |
Pale Pink. |
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May, June |
36 x 36 |
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I |
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June, July |
30 x 30 |
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72 x 36 |
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May, June |
16 x 16 |
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72 x 60 |
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Paeonia |
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23 x 18 |
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May, June |
6 x 4 |
Pinkish-blue |
J, K |
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May, June |
... |
Yellow, Purple, Red, Pink |
32 x 24 |
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May, June |
6 x 5 |
Pink |
40 x 20 |
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May, June |
6 x 3.5 |
Purple |
August, September |
120 x 48 |
Orange-red fades to yellow. |
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May, June |
6 x 3 |
Red |
June, July, August, September |
48 x 32 |
Lemon-Yellow. |
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May, June |
6 x 5 |
White |
July, August, September |
40 x 30 |
Light Scarlet fades to Yellow. |
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May, June |
6 x 3 |
Yellow |
June, July, August |
36 x 24 |
Orange top with Ivory-White bottom. |
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L |
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June, July, |
12 x 6 |
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August, September, October, November |
60 x 40 |
White. |
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May, June, |
36 x 24 |
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36 x 36 |
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May |
4-8 x 8 |
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48 x 48 |
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S |
30 x 18 |
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September |
18 x 18 |
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Lychnis coronaria 'Gardener's World' |
24 x 10-12 |
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D |
40 x 24 |
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May |
24-48 x 48 |
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60 x 20 |
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36 x 18 |
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M |
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100 x 60 |
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June, July |
88 x 40 |
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June, July |
80 x 48 |
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June, July, August |
55 x 55 |
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June, July, August, September |
24 x 18 |
White. |
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July, August, September |
60 x 20 |
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June, July, August |
36 x 15 |
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N |
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June, July, August, September |
36 x 24 |
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June, July, August |
48 x 36 |
Lilac-Pink. |
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June, July, August, September |
24 x 20 |
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O |
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June, July, August, September |
18 x 24 |
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July, August, September, October |
18 x 18 |
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P |
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July, August, September |
70 x 24 |
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July, August, September |
70 x 24 |
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June, July, August, September |
40 x 30 |
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July, August, September, October |
48 x 48 |
Bright Red. |
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July, August, September, October, November |
18 x 18 |
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June, July, August, September |
50 x 60 |
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Persicaria amplex-icaulis taurus |
July, August, September, October |
40 x 28 |
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July, August, September |
20 x 40 |
White. |
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June, July, August |
80 x 40 |
Pale Yellow. |
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May, June, July, August, September |
36 x 30 |
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July, August |
40 x 24 |
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July, August, September |
30 x 20 |
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July, August, September |
30 x 30 |
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July, August, September |
36 x 24 |
Lilac. |
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July, August, September |
18 x 14 |
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July, August, September |
24 x 16 |
White. |
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July, August, September |
40 x 20 |
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Dear Mr C H Garnons-Williams, Tony Dickerson Horticultural Advisor Above email sent by the RHS on 13 September 2013 - plant label in Mixed Border bed still not changed by 23 November 2013. |
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July, August, September |
30 x 16 |
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July, August, September |
30 x 30 |
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July, August, September |
40 x 32 |
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July, August, September, October |
36 x 24 |
Red. |
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July, August, September |
24 x 24 |
Blue-Purple. |
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July, August, September |
36 x 12 |
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June, July, August, September |
24 x 18 |
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June, July, August |
16 x 12 |
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June, July, August |
16 x 12 |
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Q, R |
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August, September, October |
24 x 18 |
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June, July, August, September |
80 x 36 |
Yellow. |
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S |
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June, July, August |
30 x 24 |
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May, June, July, August, September |
18 x 18 |
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July, August, September, October |
24 x 20 |
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September, October |
20 x 16 |
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August, September |
40 x 20 |
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August, September, October |
12 x 12 |
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August, September, October, November |
18 x 18 |
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August, September |
18 x 18 |
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September, October, November |
24 x 18 |
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June, July, August |
32 x 24 |
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August, September, October |
60 x 32 |
Yellow. |
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June, July, August, September |
18 x 24 |
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June, July, August, September |
20 x 28 |
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August, September, October |
48 x 24 |
Violet-Blue. |
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June, July, August, September |
32 x 18 |
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T |
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June, July, August |
94 x 23 |
Lavender. |
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June, July, August |
59 x 23 |
Purple-Pink. |
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June, July |
48 x 48 |
Sulphur-Yellow. |
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June, July, August |
72 x 36 |
Purple-Pink or Lavender. |
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U, V |
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August, September, October |
60 x 18 |
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June, July, August, September, October |
24 x 16 |
Purple or Magenta. |
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June, July, August, September |
36 x 24 |
Pale Purple/ Lavend-erish Lilac. |
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June, July, August, September |
60 x 24 |
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July, August, September |
60 x 36 |
Pink Lavender/ Lilac. |
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July, August |
40 x 20 |
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July, August, September |
60 x 18 |
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June, July |
42 x 20 |
Lilac/ Pale Blue. |
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July, August, September |
60 x 26 |
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W, XYZ |
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May, June, July |
18 x 14 |
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Ivydene Gardens Herbaceous Perennial Flower Shape Gallery: |
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HERBACEOUS PERENNIAL FLOWER SHAPE AND OTHER DETAILS- |
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Number of Flower Petals |
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Flower Shape - Simple |
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Flower Shape - Elabor-ated |
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Natural Arrange-ments |
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Herbaceous Perennial Name Index The respective flower colour and thumbnail, months of flowering, form, height and width, foliage colour and thumbnail, use and comments are in the relevant index page Evergreen Perennial Name Index |
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UK Peony Index :- |
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Perennials & Ephemerals chapter of Plants for Dry Gardens by Jane Taylor. Published by Frances Lincoln Limited in 1993. ISBN 0-7112-0772-0 for plants that are drought tolerant. |
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Rock |
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Perennials for Ground Covering in Shade and 3 |
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Colour All The Year in My Garden by C.H. Middleton. Published by Ward, Lock & Co. for culture. Perennials The Gardener's Reference by Susan Carter, Carrie Becker and Bob Lilly. Published by Timber Press in 2007 for plants for Special Gardens. It also gives details of species and cultivars for each genus. |
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Herbaceous Perennial Form |
Prostrate or Trailing |
Cushion or Mound-forming |
Spreading or Creeping |
Stemless. Sword-shaped Leaves |
Erect or Upright |
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Herbaceous Perennial Use |
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Back of Border, Alley, and Too Tall for Words Special Garden |
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Herbaceous Perennial in Soil |
Clay + |
Peat + |
Any + |
+ Herbac-eous Perennials in Pages in Plants |
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Peony Use |
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