Epimedium Red Barrenwort -Berberidaceae can tolerate dry shade such as the base of a tree(once established). Red spring flowers, heart shaped leaves, and bronze fall foliage make this a multi-functional plant.
Barrenwort are superb shade-garden plants, excellent for edging or groundcover, and deserving much wider use in our gardens. In this selection, plants form a bushy mound of dark green leaves, bearing sprays of cher.
Epimedium rubrum is another great low-maintenance plant for dry shade, chosen by Dugald Cameron of Garden Import for 'Gardening from a Hammock.com' You can see more picks at www.GardeningfromaHammock.com