Life Span
Perennial
Perennial
Type
Grass
Herbaceous Perennial
Origin
Eastern Africa, Southern Africa
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States, Canada, Eastern Asia, India, Nepal, China, Japan, Korea
Types
Robusta blue, Robusta green, Curvula
-
Number of Varieties
201
0
40000
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Habitat
Cultivated Beds
Cliffs, Moist woods, Riverbanks
USDA Hardiness Zone
7-135-9
0
99
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AHS Heat Zone
12 - 10
9-5
Sunset Zone
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17
Habit
Clump-Forming
Upright/Erect