Garden Onion, Edible Onion 'Red Wethersfield'

Allium cepa

Family: Alliaceae
Genus: Allium (AL-ee-um) (Info)
Species: cepa (KEP-uh) (Info)
Cultivar: Red Wethersfield
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Foliage Color:


Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us


18-24 in. (45-60 cm)


6-9 in. (15-22 cm)


USDA Zone 3a: to -39.9 C (-40 F)

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

Sun to Partial Shade


Unknown - Tell us

Bloom Color:

Pale Pink

Pale Yellow

White/Near White


Bloom Time:

Mid Summer




Other details:

Unknown - Tell us

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

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; sow indoors before last frost

By tip layering

Seed Collecting:

Bag seedheads to capture ripening seed

Allow seedheads to dry on plants; remove and collect seeds

Properly cleaned, seed can be successfully stored


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

Geneva, Ohio

Gardeners' Notes:


On Apr 27, 2010, gardeningfun from Harpersfield, OH (Zone 5a) wrote:

This nineteenth century variety derives its name from Wethersfield, Connecticut, where it is said to have originated. This onion forms a large, flattened bulb five inches in diameter with purplish-white flesh. Sow seed one-quarter inch deep in early spring or late summer, and thin to three to four inches apart. Plant in deep garden loam in full sun. It is very strong flavored and a good keeper. It is hard to find! They are planted in gardens in late fall or early spring and in 4 to 5 weeks you will have green onions. If left to fully mature you will have dry onions in late July or early August. 100 days from transplant. Easy to grow with a long storage life. Make sure your are planting in an undisturbed location with fertile soil since they have shallow root systems. Use a straw mulch... read more