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PlantFiles: Egyptian Tree Onion, Walking Onion, Topset Onion
Allium x proliferum 'Heritage White'

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Family: Alliaceae
Genus: Allium (AL-ee-um) (Info)
Species: x proliferum
Cultivar: Heritage White

4 members have or want this plant for trade.

Category:
Perennials

Height:
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

Spacing:
3-6 in. (7-15 cm)
6-9 in. (15-22 cm)

Hardiness:
USDA Zone 3b: to -37.2 C (-35 F)
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)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Full Sun

Danger:
N/A

Bloom Color:
Inconspicuous/none

Bloom Time:
Unknown - Tell us

Foliage:
Unknown - Tell us

Other details:
Unknown - Tell us

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
From bulbils

Seed Collecting:
Unknown - Tell us

Profile:

1 positive
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive rbuckett On Jul 8, 2010, rbuckett from Hayden, ID wrote:

I have had this plant going for 30 years, and have planted it in Northern California, and in North Idaho and have had very good luck with it. I put some up in the winter, as small bulblets, and store them under the house and plant them in the spring, and I plant some in the fall and in the spring I have lots of spring green onions. Good luck.

Neutral Farmerdill On Nov 3, 2009, Farmerdill from Augusta, GA (Zone 8a) wrote:

A white version of the red Egyptian topsetting onion. Milder flavor and it does multiply bulbs in ground. It also sets the top bulbils. More prolific than the red, it can produce as many as 20 one inch bulbs per year.

Regional...

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

Augusta, Georgia
Hayden, Idaho
Zimmerman, Minnesota



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