Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Cornaceae

Genus:

Cornus

Species:

Cornus ×arnoldiana

USDA Symbol:

COAR7

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Shrub

Height:

300 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

may,jun

Bloom Colors:

white, cream

Landscaping Shrub:

Yes

Wildlife Benefits

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Keystone Species Ranking

Caterpillar Keystone:

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

Pollen Specialist Bee Keystone:

★☆☆☆☆ Native pollen specialist bee species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:

birds, butterflies

Fall Color:

red, purple

Soil Requirements

Soil Type:

rich, well-drained loamy soil

pH:

5.5 - 7.0 (slightly acidic to neutral)

Drainage:

good drainage preferred

Moisture:

consistently moist

Notes:

Prefers organic matter-rich environments

Propagation & Germination

Stratification:

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

Germination Time:

30–90 days

Notes:

Double dormancy typical of Cornus; warm stratification followed by cold stratification improves germination rates.

The above propagation data sourced from Claude AI