Blue Oat Grass –
Helictotrichon sempervirens is native to the meadows and dry hillsides of Eurasia. As a semi-evergreen grass, Blue Oat has a luscious silvery-blue foliage with delicate plumes in late spring. This grass stands upright and has great longevity that blue fescues making it an excellent choice for accents. Helictotrichon sempervirens has foliage that is similar in color to blue spruce and junipers.
Pronunciation: Helictotrichon (hel-ik-toh-TREE-kon) sempervirens (sem-per-VEYE-renz)
Winchester Gardens generally stocks this item.
Sedum – ‘Autumn Joy’ sedum, with its fleshy clumps of rounded blue-green leaves topped with broccoli-like flower heads, benefits from the lightness and informality that blue oat grass brings.
Aster – The brilliant royal purple flowers of low-growing ‘Purple Dome’ aster are enhanced by the bluish grassy leaves of blue oat grass.
Dahlia – Every one of the myriad dahlia cultivars available would make a good companion for blue oat grass. They thrive in similar conditions
Goldenrod – With open panicles of golden-yellow flowers on 1-1/2-foot stems, ‘Golden Fleece’ goldenrod is an ideal complement for blue oat grass in sunny places.
Artemisia, Nepeta, Stachys, Rudbeckia, Penstemon, Cotinus and Canna Lilies are also good companion plants for Blue oat grass.