Flowers have six petals and six stamens, and are arranged singly or in racemes of 2 or 3. Petals may be reflexed to the horizontal when sunlight is bright, but are more often cup-shaped. Most specimens have blue flowers, but the Scilla siberica var. alba is white. The stamens of Scilla are separate, unlike those of the related genera Puschkinia and Chionodoxa, which are fused into a tube. Pollen is dark blue.
After flowering, the flower stems become limp and pods form. At maturity, the pods become purple and split open, releasing small, dark brown seeds. When seed is mature, the leaves wither and the plant goes dormant till the next spring.
Seedlings are hollow-leaved.
At 15 cm (6 in), Siberian squill is suitable to be planted in grass, and will spread by seed to form large colonies that go dormant by the time grass needs to be mowed.
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