Parsley Hawthorn
Crataegus marshallii
- Native to:
- United States
iNaturalist: © joey_t (iNaturalist #130226174)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Rosaceae
- Genus:
- Crataegus
- Species:
- Crataegus marshallii
- USDA Symbol:
- CRMA5
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Tree
- Height:
- 600 cm
- Light Requirements:
- Part Shade
- Drought Tolerance:
- Medium
- Bloom Months:
- mar,apr,may
- Bloom Colors:
- white
- Landscaping Shrub:
- Yes
Wildlife Benefits
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★★ Butterfly & moth species supported by this genus (NWF)
Reported Fauna Sightings
Moths:Eastern Tent Caterpillar (Malacosoma americana) Butterflies:Eastern Tiger Swallowtail (Papilio glaucus)
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals, butterflies
- Deer Resistant:
- Yes
- Fragrant:
- Yes
- Fall Color:
- red, orange
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Can resprout from roots following fire; historically part of fire-maintained woodland edges in the Southeast.
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- Prefers fertile soils in its native habitat
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:
- Hawthorn seeds exhibit double dormancy requiring warm then cold stratification; germination may take 1-2 years. Scarification aids water uptake through hard seed coat.
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