GardenWizzPlant Care Card

Hybrid Squill

Scilla × allenii · Bulb

Hardiness
H6 Hardy — very cold winter (to −20 to −15°C)
Position
Full sun, Partial shade
Height × Spread
10–50 cm × 0–10 cm
Soil
Chalk Loam Sand, well-drained, Acid or Alkaline or Neutral
Flowering
March–May
Toxicity
Potentially harmful. Ornamental bulbs - not to be eaten. Wear gloves and other protective equipment when handling.

The Gardening Year

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F
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A
M
J
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A
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🪴 Plant out
🌸 In flower

Watch out for

Slugs and snails: Use physical barriers like copper tape or apply iron phosphate-based pellets.

Vine weevil: Apply systemic insecticides to the soil or use biological controls like nematodes.

Powdery mildew: Improve air circulation and spray with a fungicide containing myclobutanil if severe.

Root rot: Ensure well-draining soil and avoid overwatering to prevent fungal attack.

Full guide: gardenwizz.com/plants/scilla-allenii © GardenWizz — UK gardening encyclopedia