Slightly more upright than its cousins dierama erectum is no less graceful clumps of tall grass45like semi45evergreen foliage are topped with a profusion of arching flower stems in july and august the pink45mauve bell45shaped flowers drip from incredibly delicate stems swaying and nodding in the slightest breeze as autumn arrives the seed heads make an attractive architectural feature in the border wonderful for cottage gardens gravel gardens and herbaceous borders angel39