Howard’s evening primrose
Oenothera howardii

Fort Collins

Dimensions: Height: 4.0 in. to 8.0 in.
Spread: 4.0 in.; to 6.0 in.
Growth Form: Herbaceous
Program Association: Nature in the City, Xeriscape Incentive Program
Wildlife Uses: Grassland Birds, Hummingbirds, Large Mammals, Pollinators/ Invertebrates, Shrubland Birds, Small Mammals, Woodland Birds
Sun Requirements: Full Sun
Water Requirements: Very Low
Plant Community: Foothills, Plains
Season of Bloom: May, June, July
Flower Color: Yellow Shades
Leaf Color: Green Shades
Aggressiveness: Not aggressive
Design Considerations: Showy Flowers
Other Considerations: Limited Availability
Duration: Perennial
Natural Landscape Position: Fort Collins Model
1, 2
Soil Type: Loam, Rocky, Sandy
Pests/Disease Prone: No
Hazards/Toxic: No City Data.

Flowers fade to orange. Flowers bloom from early evening to morning.

This is an important adult food host for many of our native invertebrates.