Marietta Hawthorn
Crataegus alleghaniensis
- Native to:
- United States
iNaturalist: © piedmontplants (iNaturalist #269187995)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Rosaceae
- Genus:
- Crataegus
- Species:
- Crataegus alleghaniensis
- USDA Symbol:
- CREX3
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Tree
- Height:
- 800 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- apr,may,jun
- Bloom Colors:
- white
- Landscaping Shrub:
- Yes
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★★ Butterfly & moth species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals, butterflies, bees
- Deer Resistant:
- Yes
- Fall Color:
- red, orange
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Can resprout from roots after top-kill by fire; moderately fire tolerant once established.
Propagation & Germination
- Stratification:
- Warm then cold/moist stratification (double dormancy) — 120–180 days
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 365–730 days
- Notes:
- Hawthorns have deep seed dormancy requiring warm stratification followed by cold stratification; germination may take 2 years.
The above propagation data sourced from Claude AI
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.
Source: Claude AI