Allium 'Globemaster'
allium 'Globemaster'
Large bulbous perennial with strap-shaped, grey-green basal leaves to 1m long, and globular clusters of starry violet-purple flowers to 20cm across, in summer, on stems to 80cm in height
Size
Ultimate height
0.5鈥�1 metresTime to ultimate height
2鈥�5 yearsUltimate spread
0.1鈥�0.5 metresGrowing conditions
Moisture
Moist but well鈥揹rained, 奥别濒濒鈥揹谤补颈苍别诲pH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green Grey Silver | |||
|---|---|---|---|---|
| Summer | Purple | Green Grey Silver | ||
| Autumn | ||||
| Winter |
Position
- Full sun
Aspect
West鈥揻acing or 厂辞耻迟丑鈥揻补肠颈苍驳
Exposure
Sheltered Hardiness
H6Botanical details
- Family
- Amaryllidaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- 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
Easy to grow in fertile well-drained soil. Add grit when grown in clay soils to improve drainage. See allium cultivation for further advice
Propagation
Propagate by seed, sowing in containers in a cold frame when just ripe or in the spring. Alternatively, remove offsets in autumn
Suggested planting locations and garden types
- Cottage and informal garden
- City and courtyard gardens
- Coastal
- Gravel garden
- Wildlife gardens
- Cut flowers
- Flower borders and beds
Pruning
No pruning required
Pests
Generally pest-free
Diseases
Generally disease-free but may be susceptible to onion white rot and downy mildews
Allium 'Globemaster'
allium 'Globemaster'
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