Allium, Garden Onion, Edible Onion 'Rio Rojo'

Alliumcepa

Genus
Allium (AL-ee-um)
Species
cepa (KEP-uh)
Synonym
Sun Exposure
Full Sun
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
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
N/A
Bloom Color
Bloom Time
Other Details
Category
Biennials
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Propagation Methods
From seed; sow indoors before 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:

Augusta, Georgia

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Gardener's Notes:

1
positive
0
neutral
0
negative
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Augusta, GA (Zone 8a) | December 2012 | positive

"(Short-day)
Rio Rojo F1 is a large, short-day onion with a rounded top-globe shape. .Red skin and flesh.

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