Allium hollandicum
Dutch garlic
Robust, upright bulbous perennial to about 1m tall, with long, strap-shaped, mid-green leaves, dying back at flowering time, and dense rounded umbels 10cm across of starry, rosy-pink flowers in summer; good for dried flower arrangements
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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 | |||
|---|---|---|---|---|
| Summer | Purple Pink | Green | ||
| 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
H7Botanical details
- Family
- Amaryllidaceae
- Native to GB / Ireland
- 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
Correct
- Plant range
- Iran
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 seed when just ripe or in spring; or 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
- Cottage and informal garden
- City and courtyard gardens
- Gravel garden
- Patio and container plants
- 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
Allium hollandicum
Dutch garlic
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