Thursday, September 20, 2007

Thornless Hawthorn

Family: Rosaceae (ro-ZAY-see-ay) (Info)
Genus: Crataegus (krah-TEE-gus) (Info)
Species: crus-galli var. inermis

Height:_15-20 ft. (4.7-6 m)

Spacing:_15-20 ft. (4.7-6 m)

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)

Sun Exposure:_Full Sun_Sun to Partial Shade

Danger:_Seed is poisonous if ingested

Bloom Color:_White/Near White

Bloom Time:_Late Spring/Early Summer


Other details:_This plant is attractive to bees, butterflies and/or birds_Drought-tolerant; suitable for xeriscaping_Average Water Needs; Water regularly; do not overwater

Soil pH requirements:_6.1 to 6.5 (mildly acidic)_6.6 to 7.5 (neutral)_7.6 to 7.8 (mildly alkaline)

Propagation Methods:_From woody stem cuttings_From seed; direct sow outdoors in fall_From seed; stratify if sowing indoors
Seed Collecting:_Collect seedhead/pod when flowers fade; allow to dry

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