Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Rosaceae

Genus:

Crataegus

Species:

Crataegus greggiana

USDA Symbol:

CRUV

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Shrub

Height:

600 cm

Light Requirements:

Part Shade

Drought Tolerance:

High

Bloom Months:

mar,apr

Bloom Colors:

white

Landscaping Shrub:

Yes

Keystone Species Ranking

Caterpillar Keystone:

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

Garden & Ecology Notes

Wildlife Value:

birds, small mammals

Deer Resistant:

Yes

Fragrant:

Yes

Fall Color:

orange, red

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts from root crown following fire; typical of thornscrub and woodland edge species in South Texas.

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:

Crataegus seeds have deep double dormancy; may take 2 years to germinate. Warm stratification followed by cold stratification required.

The above propagation data sourced from Claude AI