Cuman ragweed
Ambrosia psilostachya

Fort Collins

Dimensions: Height: 4.0 in. to 2.0 ft.
Spread: 8.0 in.; to 2.0 ft.
Growth Form: Herbaceous
Program Association: Nature in the City
Wildlife Uses: Grassland Birds, Pollinators/ Invertebrates, Shrubland Birds, Small Mammals
Sun Requirements: Full Sun
Water Requirements: Very Low, Low
Plant Community: Foothills, Plains
Season of Bloom: July, August, September
Flower Color: Inconspicious
Leaf Color: Green Shades
Aggressiveness: Spreads Underground
Design Considerations: Drought Tolerant
Other Considerations: Limited Availability
Duration: Perennial
Natural Landscape Position: Fort Collins Model
1, 2
Soil Type: Nutrient Poor, Sandy
Pests/Disease Prone: No
Hazards/Toxic: No City Data.

Grows well in disturbed areas. This is an important larval and adult food host for many of our native invertebrates.