Allium, Garden Onion, Edible Onion, Red Onion 'Red Burgermaster'

Alliumcepa

Genus
Allium (AL-ee-um)
Species
cepa (KEP-uh)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Herbaceous
This plant is resistant to deer
Height
24-36 in. (60-90 cm)
Spacing
3-6 in. (7-15 cm)
6-9 in. (15-22 cm)
9-12 in. (22-30 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)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
Danger
Handling plant may cause skin irritation or allergic reaction
Bloom Color
Green
White/Near White
Bloom Time
Late Spring/Early Summer
Other Details
Category
Bulbs
Vegetables
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Bronze
Blue-Green
Where to Grow
Bloom Characteristics
Flowers are fragrant
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Propagation Methods
From seed; direct sow outdoors in fall
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

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

Everson, Washington

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Gardener's Notes:

2
positives
0
neutral
0
negative
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G
(Zone 5a) | January 2006 | positive

I really liked the flavor of this onion. Sweet, flavorful, not at all hot. Onions bother my eyes more than most people's; my eyes not o...Read More

E
E
Everson, WA (Zone 8a) | August 2005 | positive

This is the second year growing this large sweet redish purple onion ,not known as a long storage keeper, but I have them till the first ...Read More

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