Find a Plant#
© Denver Botanic Gardens
ornamental onion
Allium caeruleum
Not Native
- Dimensions
-
Height: 1.0 ft. to 2.0 ft.
Spread: 6.0 in.; to 1.0 ft. - Growth Form
- Herbaceous
- Program Association
- Xeriscape Incentive Program
- Wildlife Uses
- Pollinators/ Invertebrates
- Sun Requirements
- Full Sun, Part Sun
- Water Requirements
- Moderate
- Season of Bloom
- May, June
- Flower Color
- Blue Shades
- Leaf Color
- Green Shades
- Aggressiveness
- Readily Seeds
- Design Considerations
- Fragrant, Small Spaces, Showy Flowers
- Other Considerations
- Deer Tolerant
- Duration
- Perennial
- Soil Type
- Loam, Nutrient Rich, Sandy, Well Drained
- Pests/Disease Prone
- No City Data
- Hazards/Toxic
- No City Data.
Notes
Leaves are fragrant.