Ambrosia spp.
Synonyms
Ambrosia elatior, Annual Ragweed, Bitterweed, Blackweed, Hay-fever Weed, Hog-weed, Mayweed, Wild Tansy
ID Characteristics
Life cycle: Summer annual
Growth Habit: Erect
Propagation: Seed
Leaf Margin: Deeply cleft
Leaf Hairs: Hairy to smooth
Leaf Structure: Compound; rounded to slightly pointed lobes
Leaf Arrangement: Alternate
Root Type: Fibrous root system
Flower Color: Green
Multimedia
Similar Species
- Carrot, Wild Daucus carota
- Ragweed, Giant Ambrosia trifida
Herbicidal Control Options
- Preemergence: Isoxaben
- Post Emergence: 2,4-D, Chlorsulfuron, Clopyralid, Fluroxypyr, MCPA, Quinclorac, Sulfosulfuron, Triclopyr, Trifloxysulfuron
Please note: one or more of these active ingredients may exist in combination-type brand name products. Any material used for herbicidal control of any plant may vary in efficacy. Please read the full disclaimer on herbicide usage.
