Epimedium x versicolor 'Sulphureum'
A fantastic, underutilized groundcover that has proven hardiness and vigor in Central Kentucky. 'Sulphureum' is the most vigorous cultivar known to us. Heart-shaped green leaves. Panicles of bright yellow flowers. Spreading (6-8" per year). Semi-evergreen to evergreen. Cut back before flowering in late winter / early spring.