Depends on the growing conditions the warmer the climate the more shade is needed.
Soil & Site
organic well drained
tiny, inconspicuous reddish brown flower spiklets appear in airy clusters from late summer though mid-fall.
late summer , airy clusters of tiny reddish brown spiklets
tufts of all gold grass-like leaves
12-14 inches tall with a spread of 16-18 inches, slow spreading
best transplanted in the spring
division of rhizomes and stolons
Species plant native to moist mountain areas including wet rocky cliffs and to moist woodland areas in central Japan, including areas around Mt. Hakone from which both its genus name and common name are derived.
Introduced by Masato Yokoi of Japan.
Notes & Reference
#92-The Encyclopedia of Ornamental Grass (Greenlee), #103-The Color Encyclopedia of Ornamental Grasses (Darke), Walters Gardens web site, #144-Missouri Botanical Gardens web site (www.missouribotanicalgarden.org)