Look for us at the Citizen Science Conference in St. Paul MN, May 17-20, 2017

Allium cepa ‘Red Onions’
(sold as Sweet Spanish Red, Southport red globe, Granex Red, red hamburger)

Family: Amaryllidaceae

Common names: LONG DAY RED ONION, RED ONION

Native to: Not Known In The Wild

Sentiment: prosperity

Plant

Types: biennial, perennial

Forms: erect, tufted

Max height: 4 feet

Max width: 1.75 feet

Flower

white/off white

Leaf

green

Horticulture

Attracts wildlife: adult butterfly, bee, specific butterfly species

Seedling days to mature: 76-120

Edible: vegetable

Exposure: sun

Propagates by: seed

flowers in summer

Soil type: average

USDA Zones: zone 5 to -20 f, zone 6 to -10 f, zone 7 to 0 f, zone 8 to +10 f, zone 9 to +20 f

Temp. range: -20 to +30 °F

Water: dry, regular

These bulbs are vetted choices for the home garden to grow RED ONIONS:

Sweet Spanish Red -- LONG DAY RED ONION
Southport red globe -- LONG DAY RED ONION, GLOBE
Granex Red -- SHORT DAY RED ONION
red hamburger -- SHORT DAY RED ONION

The flowering plant appeals to these butterflies
Abaeis nicippe
Aglais urticae
Ascia monuste
Euphydryas chalcedona
Euptoieta claudia
Hesperia sassacus
Hylephila phyleus
Junonia coenia 
Nathalis iole
Panoquina panoquin
Papilio glaucus
Papilio xuthus
Pholisora catullus
Piruna pirus
Poanes melane
Poanes zabulon
Vanessa cardui