1 What is
1.1 Life Span
Perennial
Annual and Perennial
1.2 Type
1.3 Origin
Europe, Asia
United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, South-Central United States, California, Texas
1.4 Types
1.4.1 Number of Varieties
1.5 Habitat
Cropland, gardens, Grassland, Roadsides
Wet lands
1.6 USDA Hardiness Zone
1.7 AHS Heat Zone
1.8 Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 15, 16, 17, 23, 24
21,22
1.9 Habit