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PlantFiles: Yellowflower Onion, Cory's Onion, Sperry's Yellow Onion
Allium coryi

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Family: Alliaceae
Genus: Allium (AL-ee-um) (Info)
Species: coryi

2 members have or want this plant for trade.

Category:
Bulbs

Height:
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)

Spacing:
6-9 in. (15-22 cm)

Hardiness:
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:
Parts of plant are poisonous if ingested

Bloom Color:
Gold (Yellow-Orange)

Bloom Time:
Late Spring/Early Summer

Foliage:
Herbaceous

Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; sow indoors before last frost

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive dmj1218 On Aug 12, 2006, dmj1218 from west Houston, TX (Zone 9a) wrote:

Also known as Golden Garlic. It is native to the Davis Mountains of west Texas. One of the brightest and most unusual spring-flowering North American alliums, it is becoming endangered by livestock overgrazing. In garden cultivation, the golden garlic will occasuionally extend its flowering season into the summer if precipitation and sunlight are to its liking. It requires spring moisture and careful summer watering.

Regional...

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

Houston, Texas



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