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Zone
Zones A2, A3, 1-7, 10, 33-45
Full SunPartial Sun
Full, Partial
Regular Water
Moderate
Toxicity
All parts poisonous if ingested.

Scilla siberica

Siberian Squill
Liliaceae
Bulbs and bulblike plants, Perennials

SCILLA

The hardier species are native to cold-winter regions of Europe and Asia, where they bloom with winter aconite (Eranthis) and snowdrop (Galanthus). Peruvian scilla (S. peruviana), a Mediterranean native, is more tender (and showy). All squills have bell-shaped or starlike flowers that come on leafless stems that rise from clumps of strap-shaped leaves.

Cold-hardy species naturalize easily and look best in small or large drifts. S. peruviana is most attractive in clumps along pathways, at edges of mixed plantings, and in containers.

Plant all types in fall, in well-drained, organically enriched soil. Set bulbs of cold-hardy species 2–3 in. deep and 4 in. apart; set those of S. peruviana 3–4 in. deep and 6 in. apart. Reduce watering when foliage yellows after bloom. Hardy kinds will tolerate less moisture during summer dormancy, but don’t let soil dry out completely. S. peruviana will accept summer moisture but doesn’t need any. Divide clumps (during dormancy) only when vigor and bloom quality decline.

Scilla siberica

Native to Russia. Each 3–6-in. stem bears several flowers shaped like flaring bells. Typical color is intense medium blue, but there are varieties in white, lilac pink, and light to dark shades of violet-blue, often with darker stripes. ‘Alba’ is white; ‘Spring Beauty’ has brilliant violet-blue blooms that are larger than those of the species.

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