Photo by Leafari
Used with permission, all rights reserved
Allium giganteum
Also Known As
- Giant Allium
Plant type
perennial, bulb / corm / tuber
size
- H: 24"-48"
- W: 4"-8"
planting zones
- 4a-10b
Allium giganteum plant details
Allium giganteum is a broadleaf deciduous perennial bulb / corm / tuber with green foliage. In spring and summer purple flowers emerge. Features grassy texture. Attracts bees and butterflies making it an excellent addition to pollinator gardens. Grows well with sun - mostly sun and regular - low water. Drought tolerant once established. Prefers to be dry in summer. Does well in average, gritty, rich and well-drained soil. A good option if you're seeking something verticillium wilt resistant.
CHARACTERISTICS OF Allium giganteum
- Plant type: perennial bulb / corm / tuber
- Plant family: amaryllidaceae
- Foliage: deciduous green
- Mature size: 4 IN - 8 IN - wide, 24 IN - 48 IN - tall
- Flowers: purple blooms in spring and summer
- Uses: award-winning, border plant, container plant, cutting garden, rock garden
GROWING CONDITIONS for Allium giganteum
- USDA Zones: 4a - 10b
- Sun exposure: sun - mostly sun
- Watering frequency: regular - low
- Resistant to: deer and rabbit, verticillium wilt
- Soil needs: average, gritty, rich and well-drained
Nursery contributed plant descriptions
By: Leafari
Garden photo gallery of Allium giganteum
By: Leafari
Used with permission, all rights reserved
By: Matt Wade
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 license.
By: Chris Gladis
This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
By: Karl Wimmi
This work has been released into the public domain by its author.
By: Leafari
Used with permission, all rights reserved
By: Leafari
Used with permission, all rights reserved
Gardening facts about Allium giganteum plant
How to Grow Allium giganteum
Sun Exposure
- sun - mostly sun
Water Needs
- regular - drought tolerant
Water Needs
- dry in summer
Soil Needs
- average
- well-drained
- rich
- gritty
Special Situation
- verticillium wilt resistant
Features
Foliage Color
- green
Flower Color
- purple
Wildlife
- bees
- butterflies
- deer resistant
- rabbit resistant
Flower Season
- spring
- 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
aka Allium albopilosum, Allium christophii, Star of Persia
Plant Type
Perennial, Bulb / Corm / Tuber
Zones
4a-9b
Size
Height: 12"-18"
Width: 6"-12"
- sun - mostly sun
- occasional - drought tolerant
- dry when dormant
- dry in summer
aka Allium nutans x 'Millennium', Allium X 'Millenium', Millenium Hybrid Ornamental Onion, Millennium Onion
Plant Type
Perennial, Bulb / Corm / Tuber
Zones
5a-9b
Size
Height: 12"-18"
Width: 12"-18"
- sun - mostly sun
- regular - low
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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