Allium, Garden Onion, Edible Onion 'Rio Amarillo'

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)
Not Applicable
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

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Gardener's Notes:

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

"(Short-day)
Rio Amarillo F1 is a large, short-day onion with a rounded top-globe shape. This onion features yellow-brown skin and...Read More

Featured
Euonymous scale.
(Unaspis euonymi)
Cinnamon Flycatcher
(Pyrrhomyias cinnamomea)
Featured
Euonymous scale.
(Unaspis euonymi)
Cinnamon Flycatcher
(Pyrrhomyias cinnamomea)