A fast-growing annual wildflower with small yellow flowers and distinctive barbed seeds that readily stick to clothing and animal fur for dispersal. Common in disturbed areas and along roadsides.
Overview
Form
Upright
Growth Rate
fast
Size
1–4′ tall × 1–2′ wide
Dormancy
deciduous
Tolerances & Soil
low
Flood Tolerance
moderate
≥ Zone 11b
1471013
ColderWarmer
Zone range: ≥ Zone 11b
pH Range
5.27.2
3.556.589
pH range: 5.2 to 7.2
Soil Texture
Coarse, Medium
Seasonality
Bloom Season
J
F
M
A
M
J
J
A
S
O
N
D
Season of Interest
SummerFall
Herb
Soft non-woody plants of the field layer.
Succession Role
pioneerearly successional
Native to the United States
Native Range
North American native
Native to: Alabama, Arkansas, Connecticut, Delaware, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, North Carolina, North Dakota, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Virginia, West Virginia, Wisconsin
