Lamium:
Spotted Dead Nettle or Purple Dragon
This exceptionally robust Lamium produces large, snapdragon-like flowers. Profuse deep purple blooms contrast perfectly with its silver foliage.
Blooms: Spring and early summer and again from late summer to frost. Shear back after first flush of blooms for more compact growth.
Height: 6-8"
Space 12"
Full sun, Part shade