Prairie Onion (Allium stellatum)

Common names:
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Give a thumbs up Autumn onion
Give a thumbs up Wild Onion

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Mesic
Dry Mesic
Minimum cold hardiness: Zone 3 -40 °C (-40 °F) to -37.2 °C (-35)
Maximum recommended zone: Zone 8b
Plant Height: 14 inches
Plant Spread: 6 to 12 inches (15-30 cm)
Leaves: Fragrant
Flowers: Showy
Flower Color: Pink
Flower Time: Summer
Late summer or early fall
Inflorescence Height: 12 to 18 inches (30-45 cm)
Foliage Mound Height: 12 inches (30 cm)
Underground structures: Bulb
Suitable Locations: Alpine Gardening
Uses: Will Naturalize
Dynamic Accumulator: K (Potassium)
Ca (Calcium)
Na (Sodium)
Propagation: Seeds: Stratify seeds: 60 days cold moist stratification
Suitable for wintersowing
Propagation: Other methods: Offsets
Pollinators: Bees
Various insects


Photo gallery:
Location: ILDate: 2019-08-16
By molanic
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Photo Courtesy of Prairie Nursery. Used with Permission
By Joy
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By molanic
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Photo Courtesy of Lazy S'S Farm Nursery.
By Joy
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Photo Courtesy of Lazy S'S Farm Nursery.
By Joy
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Plant Events from our members
MrsBinWY On January 21, 2018 Seeds sown
WS 36 seeds from molanic
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Discussion Threads about this plant
Thread Title Last Reply Replies
What's caught your eye? ---Photos 2014 by dirtdorphins Nov 20, 2016 4:45 PM 72
What did you do today? by Leftwood Dec 28, 2019 3:28 PM 3,285
Cooking with Lilies by Leftwood Aug 30, 2018 4:17 PM 121
Show Us Your Garden 6 by boojum May 13, 2011 10:10 AM 257

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