The Excalibur forms a rounded clump of blue-green/gray-green sword-like foliage.  The white bell-shaped flowers appear in early summer.

Bloom Time:  Early to Mid Summer.

Growth Habit:  18-24” in height, 36-42” in width.

Foliage:  Blue-green/Gray-green, sword-like.

Sun/Shade:  Sun, Partial Shade.

Hardiness Zones:  5-10.