Dogwood
Cornus ×intermedia
- Native to:
- Aleutian Is., Canada, China, Greenland, Japan, Korea, Kuril Is., Labrador, Myanmar, Prince Edward I., Russia, United States
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Cornaceae
- Genus:
- Cornus
- Species:
- Cornus ×intermedia
- USDA Symbol:
- COIN19
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Subshrub
- Height:
- 600 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- may,jun
- Bloom Colors:
- white
- Landscaping Shrub:
- Yes
Wildlife Benefits
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★★☆☆☆ Recorded caterpillar host plant (HOSTS Database)
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)
Host Plant for Caterpillars
Acleris cornana, Ancylis apicana, Antispila freemani, Archips purpurana, black-and-white leafroller (Syndemis afflictana), Caloptilia canadensisella, Caloptilia cornusella, Coleophora salicivorella, Eversmann's rustic (Actebia fennica), Olethreutes punctanum, probole moth (Probole nepiasaria), tentoriferella (Machimia tentoriferella), white triangle tortrix (Clepsis persicana), White-lined leafroller (Amorbia humerosana), White-marked Tussock Moth (Orgyia leucostigma)
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-rich soils in native habitats
Propagation & Germination
- Stratification:
- Warm then cold/moist stratification (double dormancy) — 90–120 days
- Germination Time:
- 30–90 days
- Notes:
- Requires warm stratification followed by cold stratification. Seeds may take two seasons to germinate.
The above propagation data sourced from Claude AI