Cockspur Hawthorn
Crataegus crus-galli
Also known as: Montgomery Hawthorn
- Native to:
- Canada, Mexico, United States, Virgin Islands
iNaturalist: © hbauer_106 (iNaturalist #284119839)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Rosaceae
- Genus:
- Crataegus
- Species:
- Crataegus crus-galli
- USDA Symbol:
- CRCR2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Tree
- Height:
- 914 cm
- Light Requirements:
- Full Sun,Part Shade,Shade
- Drought Tolerance:
- Medium
- Bloom Months:
- apr,may
- Bloom Colors:
- white
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)
Host Plant for Caterpillars
Cecropia moth (Hyalophora cecropia)
Garden & Ecology Notes
- Wildlife Value:
- birds, butterflies, small mammals
- Fall Color:
- red, orange, purple
Soil Requirements
- Soil Type:
- fertile, well-drained loamy soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- Native to open woodlands and fields
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 30–180 days
- Notes:
- Seeds require scarification (nicking or acid treatment) followed by cold stratification for 60-90 days; germination can be slow and erratic.
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
ORGHPS Germination Guide: Sow @ 20C 6 wks then 4C 6 wks then slowly raise to 10C 6 wks. Repeat if no germination.
Where to Buy
Nationwide Seller
- Sheffield's Seed (seeds)