Stipa brachytricha

Common Name: Korean feather grass

Description: cool season; clump forming
Foliage - green; medium width; 80-120 cm (32-48") tall
Flowers - large; airy; Sept until frost; 100-150 cm (40-60") tall
Conditions: full sun, light to full shade; moist fertile soil; adaptable to many soil types
Coldest zone: 4

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Stipa calamagrostis

Common name: Spear grass

Now listed as Achnatherum calamagrostis