blue oatgrass
Helictotrichon sempervirens
Blue oatgrass forms attractive spiky, silver-gray clumps that contrast nicely with other colors in the garden. High heat and humidity are hard on this grass, and it may not be as attractive in the hottest part of Iowa’s summers.
Blue oatgrass. Vander Veer Botanical Park, Davenport. 9 Sept 2003. Photo: Anna Gardner |
Annual or perennial: perennial Origin: Mediterranean Height: foliage to 2 1/2’ Hardiness: zone 4 Habit: clumping Moisture: well-drained, moist Propagation: seed, division Light: full sun Flowering: June-July Uses: specimen and small groupings |
|
Blue oatgrass. Reiman Gardens, Ames. 23 Sept 2003. Photo: Anna Gardner |
|
home - common name index - scientific name index - database - picture key - weedy grasses - ornamental grasses - Ada Hayden Herbarium - ISU