Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Rosaceae

Genus:

Crataegus

Species:

Crataegus calpodendron

USDA Symbol:

CRCA

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Shrub , Tree

Height:

600 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

apr,may,jun

Bloom Colors:

white

Landscaping Shrub:

Yes

Wildlife Benefits

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Caterpillars:

★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Keystone Species Ranking

Caterpillar Keystone:

★★★★★ Butterfly & moth species supported by this genus (NWF)

Host Plant for Caterpillars

Garden & Ecology Notes

Wildlife Value:

birds, butterflies, small mammals

Fall Color:

orange, red

Soil Requirements

Soil Type:

rich, well-drained loamy soil

pH:

5.5 - 7.0 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

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 is often erratic and may take 2 years.

The above propagation data sourced from Claude AI