Allium, Garden Onion, Edible Onion, White Onion 'Ringmaster'

Alliumcepa

Genus
Allium (AL-ee-um)
Species
cepa (KEP-uh)
Synonym
Sun Exposure
Full Sun
Foliage
Herbaceous
Smooth
Height
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
Spacing
3-6 in. (7-15 cm)
6-9 in. (15-22 cm)
Hardiness
Not Applicable
Danger
N/A
Bloom Color
Bloom Time
Other Details
Category
Vegetables
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Blue-Green
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Propagation Methods
From seed; sow indoors before last frost
From seed; direct sow after last frost
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:

Wilsonville, Oregon

Spokane, Washington

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Gardener's Notes:

1
positive
1
neutral
0
negative
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G
(Zone 5a) | January 2006 | positive

I was very happy with 'Ringmaster'. It was one of the best flavored ones of last years crops. Even the ones that were lost under an out...Read More

F
Augusta, GA (Zone 8a) | July 2005 | neutral

A long day white onion from Nunhems. Originally created for making onion rings, now also extensively used for fresh market.

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