Allium Species, Bear's Garlic, Ramsons, Wild Garlic

Alliumursinum

Family
Amaryllidaceae (am-uh-ril-id-AY-see-ee)
Genus
Allium (AL-ee-um)
Species
ursinum (ur-SEE-num)
Synonym
Aglitheis ursina
Allium longipetiolatum
Allium nemorale
Allium petiolatum
Allium ucrainicum
Sun Exposure
Light Shade
Foliage
Herbaceous
Smooth
Height
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
Spacing
3-6 in. (7-15 cm)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
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)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Danger
N/A
Bloom Color
White/Near White
Bloom Time
Late Spring/Early Summer
Other Details
Category
Bulbs
Perennials
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Grow outdoors year-round in hardiness zone
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
Patent Information
Non-patented
Propagation Methods
Seed Collecting
Regional

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

Jamestown, Rhode Island

Saint Albans, Vermont

Richmond, Virginia

Featured Videos

Gardener's Notes:

3
positives
5
neutrals
0
negative
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A
(Zone 6b) | February 2016 | positive

As you can see on my photos, Allium ursinum can be a very invasive species here in Austria, but thats ok, because it is a native plant here.

C
ROSLINDALE, MA | December 2015 | neutral

A plant of moist woodlands native to much of Europe and northern Asia, traditionally gathered and eaten cooked or raw. It is also used in...Read More

J
Jamestown, RI | December 2015 | neutral

This is a great plant for a shady garden but you MUST remove all the seed pods. This plant produces hundred of seeds and they all seem to...Read More

C
Sonoma, CA (Zone 9a) | March 2012 | neutral

Just an FYI: reading up on this plant and saw it listed as a noxious weed in some areas- probably best to research before planting.

B
Altadena, CA | May 2010 | neutral

In March I ordered thirty plants and was given a 15 day shipping window starting on April 17th. Being local, I wanted to pick up my plant...Read More

S
Richmond, VA | August 2006 | positive

Allium Ursinum is edible -- for humans, but.like other members of the allium family, can be toxic to pets --especially dogs. Allium urs...Read More

B
Saint Albans, VT (Zone 4b) | May 2004 | positive

I find this an interesting plant in my woodland garden. It was my mystery plant when I first moved to VT 4 years ago and now I enjoy wai...Read More

B
B
Baa
| September 2001 | neutral

Vigorous spreading bulb from Most of Europe. Has two broad, bright green strap like leaves. Bears flat topped, umbels of 6-20 white sta...Read More

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