Photo by Phoenix Perennials and Specialty Plants Ltd.
Used with permission, all rights reserved
Allium 'Ostara'
Also Known As
- Ostara Ornamental Onion
Plant type
perennial, bulb / corm / tuber
size
- H: 12"-24"
- W: 8"-12"
planting zones
- 3a-9b
Allium 'Ostara' plant details
Allium 'Ostara' is a broadleaf deciduous perennial bulb / corm / tuber with green foliage. In spring and summer purple flowers emerge. Attracts bees, beneficial insects 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 'Ostara'
- Plant type: perennial bulb / corm / tuber
- Plant family: amaryllidaceae
- Foliage: deciduous green
- Mature size: 8 IN - 12 IN - wide, 12 IN - 24 IN - tall
- Flowers: purple blooms in spring and summer
- Uses: cutting garden, dried-arrangements, rock garden
GROWING CONDITIONS for Allium 'Ostara'
- USDA Zones: 3a - 9b
- 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
Garden photo gallery of Allium 'Ostara'
By: Phoenix Perennials and Specialty Plants Ltd.
Used with permission, all rights reserved
View Original PhotoGardening facts about Allium 'Ostara' plant
How to Grow Allium 'Ostara'
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
- beneficial insects
- bees
- butterflies
- deer resistant
- rabbit resistant
Flower Season
- summer
- spring
Foliage Season
- deciduous
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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