Chinese Haw
Crataegus pinnatifida
- Native to:
- China, Korea
Pipi69e,No machine-readable author provided. PuzzletChung assumed (based on copyright claims).,Krzysztof Ziarnek, Kenraiz,Lokal_Profil,yakovlev.alexey (www.flickr.com) from Moscow, Russia,Yongxinge,No machine-readable author provided. PuzzletChung assumed (based on copyright claims).,Krzysztof Ziarnek, Kenraiz,Krzysztof Ziarnek, Kenraiz,Krzysztof Ziarnek, Kenraiz,Averater,Averater
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Rosaceae
- Genus:
- Crataegus
- Species:
- Crataegus pinnatifida
- USDA Symbol:
- CRPI2
Growth Characteristics
- Height:
- 600 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- apr,may,jun
- Bloom Colors:
- white
- Landscaping Shrub:
- Yes
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★★ Butterfly & moth species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- birds, bees, small mammals
- Deer Resistant:
- Yes
- Fragrant:
- Yes
- Fall Color:
- red, orange, yellow
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- native to forest edges and hillsides
Propagation & Germination
- Stratification:
- Warm then cold/moist stratification (double dormancy) — 120–180 days
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 60–365 days
- Notes:
- Double dormancy typical of Crataegus; requires warm stratification followed by cold stratification. Germination can take 1-2 years.
The above propagation data sourced from Claude AI
ORGHPS Germination Guide: Use repeated cycles of 4°C, then 20°C for 3 months each. Germination is very prolonged. * instead of nicking, seed can be scarified by soaking in hot water for 24 hours