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PlantFiles: One-leaf Onion
Allium unifolium

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Family: Alliaceae
Genus: Allium (AL-ee-um) (Info)
Species: unifolium (yoo-nee-FOH-lee-um) (Info)

3 vendors have this plant for sale.

2 members have or want this plant for trade.

Category:
Alpines and Rock Gardens
Perennials

Height:
12-18 in. (30-45 cm)

Spacing:
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)

Hardiness:
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
N/A

Bloom Color:
Pink

Bloom Time:
Mid Summer
Late Summer/Early Fall

Foliage:
Herbaceous

Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors

Seed Collecting:
Bag seedheads to capture ripening seed
Allow seedheads to dry on plants; remove and collect seeds
Seed does not store well; sow as soon as possible

Click thumbnail
to view:

By rox_male
Thumbnail #1 of Allium unifolium by rox_male

By LilyLover_UT
Thumbnail #2 of Allium unifolium by LilyLover_UT

No details have been posted.

Regional...

This plant has been said to grow in the following regions:

Athens, Ohio



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