Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Betulaceae

Genus:

Corylus

Species:

Corylus maxima

USDA Symbol:

COMA18

Growth Characteristics

Height:

600 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

feb,mar,apr

Bloom Colors:

red, purple

Food Forest:

Contains edible parts

Landscaping Shrub:

Yes

Keystone Species Ranking

Caterpillar Keystone:

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

Garden & Ecology Notes

Wildlife Value:

birds, squirrels, small mammals

Fall Color:

yellow

Soil Requirements

Soil Type:

fertile, well-drained loamy soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

consistently moist

Notes:

prefers humus-rich soils in native range

Propagation & Germination

Stratification:

Warm then cold/moist stratification (double dormancy) — 60–120 days

Germination Time:

30–180 days

Notes:

Double dormancy requiring warm stratification followed by cold stratification. Germination can be erratic and may take up to two years.

The above propagation data sourced from Claude AI