Metal. Crispa Ajuga The Ajuga Metal. Crispa , Ajuga pyramidalis, is
The Ajuga Metal. Crispa , Ajuga pyramidalis, is a useful ground cover with short spikes of cobalt blue flowers. Metal. Crispa has very tight, crisp-leafed crinkled purple foliage, almost prune-like, with a green-brown shine. The flowers appear in early spring on 8 spikes with a plant spread of 12-24 . Metal. Crispa is excellent for shady moist areas but will adapt to a little more sun than most Ajuga. If one is looking for a perennial ground cover to exceed in a hard to grow shady area, Ajuga’s are the way to go.