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Allium, Garden Onion, Edible Onion, White Onion 'Super Star'

Allium cepa

Family: Alliaceae
Genus: Allium (AL-ee-um) (Info)
Species: cepa (KEP-uh) (Info)
Cultivar: Super Star
» View all varieties of Onions and Garlic

Category:

Bulbs

Vegetables

Perennials

Foliage Color:

Silver/Gray

Blue-Green

Chartreuse/Yellow

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us

Height:

24-36 in. (60-90 cm)

Spacing:

3-6 in. (7-15 cm)

6-9 in. (15-22 cm)

9-12 in. (22-30 cm)

Hardiness:

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)

USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:

Full Sun

Sun to Partial Shade

Danger:

Handling plant may cause skin irritation or allergic reaction

Bloom Color:

Chartreuse (Yellow-Green)

Violet/Lavender

White/Near White

Bloom Time:

Mid Spring

Late Spring/Early Summer

Mid Summer

Late Summer/Early Fall

Blooms repeatedly

Foliage:

Herbaceous

This plant is resistant to deer

Other details:

Unknown - Tell us

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

Patent Information:

Unknown - Tell us

Propagation Methods:

From seed; direct sow outdoors in fall

Seed Collecting:

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Regional

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

Hermann, Missouri

Willard, Ohio

Gardeners' Notes:

1
positive
1
neutral
0
negatives
RatingContent
Positive

On Aug 24, 2012, Cyberpotato from Hermann, MO (Zone 6b) wrote:

Unless there are two different onions going by the name "Super Star" this is a Seminis hybrid. Same variety as "Sierra Blanca" according to Johnny's and several other sites.

Intermediate zone white sweet onion. Very Large. Widely adapted but ideally adapted to dry areas. Somewhat susceptible to Botrytis in high humidity areas.

Grew very well in central Missouri using irrigated plastic culture. 5 - 6 inch bulbs.

Neutral

On Apr 30, 2004, Farmerdill from Augusta, GA (Zone 8a) wrote:

From Japan, a white, sweet Spanish type onion. A short-day early variety that matched 'Primavera' in maturity during UGA trial. (100 days.)

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