Muhly Grass, White Cloud #2Muhly Grass 'White Cloud' Muhlenbergia capillaris 'White Cloud' This drought tolerant native selection deserves serious consideration as an addition to the mixed border, as a specimen or as a foundation planting. Billowing plumes of white form a cloud like mass above stiff, narrow upright foliage in early to late fall. Blue green foliage grows 3 4' tall and prefers dryish soil.