Siberian Squill, Scilla sibirica http://ahwub.notlong.com/ 17 April 2008 Siberian Squill. The bright blue flowers of Siberian squill (Scilla siberica) are one of the first of the spring-flowering bulbs. Grows in USDA zones 2 to 8. It has been cultivated since 1796. This flower often grows in lawns. This little flower arrives just after the crocuses. There are only a few named varieties of Siberian squill: 'Spring Beauty' has somewhat larger flowers and sturdier stems than the species. 'Alba' is a pure white form. Scilla sibirica taurica has bright blue flowers. Note: The striped one is Puschkinia libanotica(striped squill)....not a true scilla.