Bulbs and bulblike plants, Perennials
All squills have bell-shaped or starlike flowers that come on leafless stems that rise from modest clumps of strap-shaped leaves.
Cold-hardy species look best when naturalized under deciduous trees; grow them in small patches or larger drifts.Scilla bifolia
Native to Europe, southwest Asia. Each 8-in. stem carries three to eight 1-in.-wide, star-shaped flowers in turquoise blue. White, pale purplish pink, and violet-blue varieties are available. Each bulb produces only two leaves.
From eastern Asia. To 10–12 ft. tall and 6 ft. wide. Upright and compact when young, spreading a...
Native to western Mediterranean region. Bright blue-gray, narrow leaves in fountainlike clump 2–...
To 20–35 ft. tall, 25–40 ft. wide. Open branching, giving slight shade. Leaves to 15 in. l...