Photo by Conifer Kingdom
Used with permission, all rights reserved
Allium cyaneum
Also Known As
- Allium cyaneum [blue]
- Ornamental Onion
Plant type
perennial, bulb / corm / tuber
size
- H: 4"-8"
- W: 4"-12"
planting zones
- 4a-9b
Allium cyaneum plant details
Allium cyaneum is a broadleaf deciduous perennial bulb / corm / tuber with green foliage. In summer blue flowers emerge. Features grassy texture. Attracts bees and butterflies making it an excellent addition to pollinator gardens. Grows well with sun - dappled shade and regular - low water. Does well in average, gritty, rich and well-drained soil. A good option if you're seeking something humidity tolerant and verticillium wilt resistant.
CHARACTERISTICS OF Allium cyaneum
- Plant type: perennial bulb / corm / tuber
- Plant family: amaryllidaceae
- Foliage: deciduous green
- Mature size: 4 IN - 12 IN - wide, 4 IN - 8 IN - tall
- Flowers: blue blooms in summer
- Uses: container plant, edging plant, rock garden
GROWING CONDITIONS for Allium cyaneum
- USDA Zones: 4a - 9b
- Sun exposure: sun - dappled shade
- Watering frequency: regular - low
- Resistant to: deer and rabbit, humidity and verticillium wilt
- Soil needs: average, gritty, rich and well-drained
Nursery contributed plant descriptions
By: Conifer Kingdom
By: Avant Gardens
Garden photo gallery of Allium cyaneum
Gardening facts about Allium cyaneum plant
How to Grow Allium cyaneum
Sun Exposure
- sun - dappled shade
Water Needs
- regular - low
Soil Needs
- average
- well-drained
- rich
- gritty
Special Situation
- humidity tolerant
- verticillium wilt resistant
Features
Foliage Color
- green
Flower Color
- blue
Wildlife
- bees
- butterflies
- deer resistant
- rabbit resistant
Flower Season
- summer
Foliage Season
- deciduous
Texture
- grassy
Landscape groups by tags
See other plant types of Allium for your garden
aka Allium cernum, Lady's Leek, Nodding Onion, Wild Onion
Plant Type
Perennial, Bulb / Corm / Tuber
Zones
4a-9b
Size
Height: 18"-24"
Width: 12"-18"
- sun - dappled shade
- regular - drought tolerant
- dry when dormant
- dry in summer
Plant Type
Perennial, Bulb / Corm / Tuber
Zones
6a-9b
Size
Height: 12"-24"
Width: 12"-18"
- sun - mostly sun
- regular
Scientific Name: Allium nutans
Plant Type
Perennial, Herb, Bulb / Corm / Tuber
Zones
3a-10b
Size
Height: 12"-18"
Width: 6"-15"
- sun - mostly sun
- regular - drought tolerant
aka Allium sanbornii var. tuolumnense, Rawhide Hill Onion
Plant Type
Perennial, Bulb / Corm / Tuber
Zones
5a-10b
Size
Height: 6"-20"
Width: 2"-12"
- sun - dappled shade
- occasional - drought tolerant
- dry when dormant
- dry in summer
aka Allium luteum, Jeannine Golden Garlic
Plant Type
Perennial, Bulb / Corm / Tuber
Zones
3a-9b
Size
Height: 6"-12"
Width: 2"-18"
- sun - dappled shade
- regular - drought tolerant
- dry in summer
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