Scilla × allenii
hybrid squill
A naturally occurring hybrid between Chionodoxa siehei and Scilla bifolia, looking very like a Chionodoxa, but with the flower segments divided to the base. A "little blue bulb" with 2-3 upright to lax strap-shaped leaves to 10cm, and 2-6 violet blue starry to shallow bowl shaped flowers, with slightly paler centres, borne just above the leaves in spreading racemes, in mid-spring
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0–0.1 metreGrowing conditions
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Blue | Green | ||
|---|---|---|---|---|
| Summer | ||||
| Autumn | ||||
| Winter |
Position
- Full sun
- Partial shade
Aspect
West–facing or East–facing or South–facing
Exposure
Exposed or Sheltered Hardiness
H6Botanical details
- Family
- Asparagaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Columnar upright
- Potentially harmful
- Ornamental bulbs - not to be eaten. Wear gloves and other protective equipment when handling. Pets: Ornamental bulbs - not to be eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers
- Genus
Scilla are perennial bulbs with narrow basal leaves and erect stems bearing racemes of star-shaped, flat or bell-shaped flowers which are often blue
- Name status
Correct
How to grow
Cultivation
Ideal for naturalising in grass or a gravel garden in full sun and a well-drained soil. Plant bulbs two to three times their depth. See bulb cultivation and bulbs: naturalising
Propagation
Propagate by seed, sown in pots in a cold frame when ripe, keep shaded and do not allow to dry out. Alternatively remove offsets in summer. See bulb propagation
Suggested planting locations and garden types
- City and courtyard gardens
- Rock garden
- Cottage and informal garden
- Patio and container plants
- Flower borders and beds
- Underplanting of roses and shrubs
Pruning
No pruning required
Pests
Generally pest-free
Diseases
May be susceptible to anther smuts and virus diseases
Get involved
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