Allium 'Round 'n' Purple'
allium 'Round 'n' Purple'
Strong growing bulbous perennial with broad, poined mid-green basal leaves, Flower stems up to 1.2m tall, bear very large flowerheads 15cm across, made up of starry, silvery-lilac flowers in early summer
Size
Ultimate height
1–1.5 metresTime to ultimate height
1–2 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Grey Silver Purple | Green | ||
| Autumn | ||||
| Winter |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Sheltered Hardiness
H5Botanical details
- Family
- Amaryllidaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- Potentially harmful
- Bulbs may cause skin irritation. Wear gloves and other protective equipment when handling
- Genus
Allium are bulbous herbaceous perennials with a strong onion or garlic scent, linear, strap-shaped or cylindrical basal leaves and star-shaped or bell-shaped flowers in an umbel on a leafless stem
- Name status
Accepted
How to grow
Cultivation
Grow in full sun and fertile well-drained soil. It is best to grow in containers where garden soil is heavy clay and prone to saturation over winter. See allium cultivation
Propagation
Propagate by offsets which can be carefully detached by lifting the bulb after flowering has finished. See bulb propagation
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Gravel garden
- Wildlife gardens
- Flower borders and beds
- Cut flowers
Pruning
No pruning required, other than to remove old flowered stems and foliage
Pests
May be susceptible to allium leaf miner and onion fly
Diseases
May be susceptible to onion white rot, and onion downy mildew
Get involved
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