Mayhaw, Riverflat Hawthorn
Crataegus opaca

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

Category:

Shrubs

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

This plant is attractive to bees, butterflies and/or birds

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us

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:

Unknown - Tell us

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

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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Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

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.