Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Rosaceae

Genus:

Crataegus

Species:

Crataegus gregorianii

Growth Characteristics

Growth Habit:

Tree

Height:

600 cm

Drought Tolerance:

Medium

Bloom Months:

may,jun

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, bees

Fall Color:

bronze, red

Source: Claude claude-sonnet-4-5-20250929 Batch

Propagation & Germination

Stratification:

Cold/moist then warm stratification (double dormancy) — 120–150 days

Scarification:

Seed coat scarification required before sowing

Germination Time:

30–180 days

Notes:

Hawthorn seeds have deep double dormancy requiring warm stratification followed by cold stratification. Germination may be erratic and can extend into second year.

Source: Claude claude-sonnet-4-5-20250929 Batch