Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Betulaceae

Genus:

Corylus

Species:

Corylus maxima

USDA Symbol:

COMA18

Growth Characteristics

Height:

800 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

feb,mar,apr

Bloom Colors:

yellow (catkins)

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, 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:

Cold/moist stratification required — 60–90 days

Germination Time:

30–90 days

Notes:

Seeds require cold stratification for 2-3 months to break dormancy; germination is often erratic.