Common ragweed is a major hay fever plant. Its pollen peaks in late summer and fall.
- Scientific name
- Ambrosia artemisiifolia
- Type
- Summer annual broadleaf
- Most visible
- July–October
How to Identify Common Ragweed
- Fern-like, deeply divided leaves
- Hairy stems
- Green, spike-like flowers that release pollen
- Grows upright
When It Shows Up in Oklahoma Lawns
Germinates in spring and flowers in late summer.
How to Control Common Ragweed
- Mow regularly
- Pull before it flowers
- Clear vacant areas