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Allium Species, Autumn Onion, Prairie Onion

Alliumstellatum

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Allium stellatum by buggycrazy
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Genus
Allium (AL-ee-um)
Info
Species
stellatum (stell-AY-tum)
Info
Synonym
Stelmesus stellatus
Sun Exposure
Full Sun
Sun to Partial Shade
Light Shade
Foliage
Smooth
Height
18-24 in. (45-60 cm)
Spacing
6-9 in. (15-22 cm)
Hardiness
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Danger

Unknown - Tell us

Bloom Color
Pink
Bloom Time
Mid Summer
Late Summer/Early Fall
Other Details
Category
Alpines and Rock Gardens
Bulbs
Vegetables
Herbs
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color

Unknown - Tell us

Where to Grow

Unknown - Tell us

Bloom Characteristics
Flowers are fragrant
Bloom Size

Unknown - Tell us

Other details
May be a noxious weed or invasive
Soil pH requirements

Unknown - Tell us

Patent Information
Non-patented
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow outdoors in fall
From seed; direct sow after last frost
Seed Collecting
Collect seedhead/pod when flowers fade; allow to dry
Regional

This plant is said to grow outdoors in the following regions:

Shawnee Mission, Kansas

MOUNT HOOD PARKDALE, Oregon

Tangent, Oregon

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M
M
Michaelp
Erwin, TN (Zone 7a) | February 2004 | positive

A. stellatum resembles A. cernuum except, instead of drooping pink or white flower stalks, the stalks of this variety have straight stems...Read More

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