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PlantFiles: Mayhaw, Riverflat Hawthorn
Crataegus opaca

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Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Crataegus (krah-TEE-gus) (Info)
Species: opaca (oh-PAK-uh) (Info)

2 vendors have this plant for sale.

Category:
Shrubs

Height:
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)

Spacing:
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)

Hardiness:
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:
Sun to Partial Shade

Danger:
Seed is poisonous if ingested

Bloom Color:
White/Near White

Bloom Time:
Late Spring/Early Summer
Mid Summer

Foliage:
Grown for foliage
Deciduous
Good Fall Color

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

Soil pH requirements:
4.6 to 5.0 (highly acidic)
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Remove fleshy coating on seeds before storing
Allow unblemished fruit to ripen; clean and dry seeds
Properly cleaned, seed can be successfully stored

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Terry On Aug 30, 2003, Terry from Murfreesboro, TN (Zone 7a) wrote:

In the southeast U.S., mayhaws are valued for their fruit, which is used to make jelly.

Regional...

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

Atmore, Alabama
Hughes, Arkansas
Hampton, Florida
Baton Rouge, Louisiana
Plain Dealing, Louisiana
Florence, Mississippi
Spring, Texas



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