Life Span
Perennial
Perennial
Type
Flowering Plants, Herbs
Herbaceous Perennial
Origin
Southwestern United States, Mexico
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
-
-
Number of Varieties
561
0
40000
👆🏻
Habitat
Mountains, Upland
Cliffs, Moist woods, Riverbanks
USDA Hardiness Zone
4-95-9
0
99
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AHS Heat Zone
9-2
9-5
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17
Habit
Clump-Forming
Upright/Erect