The enormous rise in interest in ornamental grasses over the past 10 years has revolutionised the fortunes of Helictotrichon sempervirens. Easy, hardy, non-invasive, semi-evergreen or evergreen ...
What: The narrow, spiky, gray-blue foliage of Helictotrichon sempervirens forms a small, architectural mound and is particularly handsome in summer when the purplish-brown seed heads top the leaf ...