One Leaf Onion (Allium Unifolium) - Growing Guide | Neighborbrite

One Leaf Onion (Allium Unifolium) - Perennials

Grow conditions

Sunlight

Full sun to partial shade

Hardiness zone

5-10

Min. Temperature

−20°F (−29°C)

Soil type

Loam, Sandy, Well drained, Moist

Soil pH

Acidic, Neutral, Alkaline

One Leaf Onion

Allium Unifolium

Grow conditions

Sunlight: Full sun to partial shade
Hardiness zone: 5-10
Min. Temperature: −20°F (−29°C)
Soil type: Loam, Sandy, Well drained, Moist
Soil pH: Acidic, Neutral, Alkaline

Plant traits

Mature height12 in-24 in

Mature spread12 in-18 in

Plant typePerennials

Bloom seasonSpring, Summer

Foliage typeDeciduous

Tolerance & safety

Drought tolerant✅Yes

Fire tolerant⚖️Moderate

Pet safe❌Toxic

Deer resistant✅Yes

Pollinator-friendly—Unknown

One Leaf Onion (Allium Unifolium) - Perennials

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One Leaf Onion (Allium Unifolium) - Perennials

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