About

Scilla bifolia, the alpine squill, is a bulbous perennial to 15 cm with narrow, paired basal leaves and erect stems bearing racemes of 2�10 star-shaped, violet-blue flowers about 20 mm across in early spring. A beautiful and reliable early-spring bulb for a sunny, well-drained border or rock garden.

About the 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, purple, pink or white in spring or autumn. Popular and easy-care bulbs for a sunny, well-drained border or rock garden.

Growing conditions

SunlightFull sun, Partial shade
Soil typeChalk, Clay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained, Well-drained
AspectSouth-facing, North-facing, West-facing, East-facing
ExposureExposed, Sheltered
UK hardinessH6

Plant details

Plant typeBulbs
HabitTufted
FoliageDeciduous
Height0.1-0.5 metres
Spread0-0.1 metre
Time to full height2-5 years
Suggested usesCottage and informal garden, Rock garden, Wildflower meadow
Native toEurope, Caucasus
ToxicityOrnamental 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

Care notes

CultivationIdeal 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
PruningNo pruning required
PropagationPropagate 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
Pest resistanceGenerally pest-free
Disease resistanceMay be susceptible to anther smuts and virus diseases