Willow Hawthorn
Crataegus saligna
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Rosaceae
- Genus:
- Crataegus
- Species:
- Crataegus saligna
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Tree
- Height:
- 12-20 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- may, jun
- Bloom Colors:
- White
- Landscaping Shrub:
- Yes
Native Range
United States: Colorado, Utah
Keystone Species Ranking
- Caterpillar Keystone:
- ★☆☆☆☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)
Host Plant for Caterpillars
Autumnal moth (Epirrita autumnata), Blinded Sphinx (Paonias excaecata), brown-tipped selenia (Selenia alciphearia), Dimorphic Euchlaena Moth (Euchlaena mollisaria), Fall webworm (Hyphantria cunea), fragile dagger moth (Acronicta fragilis), funeral dagger moth (Acronicta funeralis), George's pinion (Lithophane georgii), Morning-glory prominent moth (Schizura ipomoeae), Radcliffe's dagger moth (Acronicta radcliffei), Rusty Tussock Moth (Orgyia antiqua), Synaxis jubararia, Waved Sphinx (Ceratomia undulosa), Western tent caterpillar (Malacosoma californica), Pale Swallowtail (Papilio eurymedon)
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 6.0 - 8.0 (neutral to slightly alkaline)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to riparian zones, prefers sunny areas
Germination Information
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.
Source: OpenAI GPT-4o