The ‘Big Blue’ is a clump-form Liriope with strap-shaped, dark green foliage.  The dark purple buds and flower spikes appear in late summer, followed by black berries.

Bloom Time: Late Summer.

Growth Habit: 12-15″ in height (15-18″ with blooms).

Foliage:  Dark green.

Sun/Shade: Sun to shade.

Hardiness Zone: 6.