Source: Krzysztof Ziarnek
Cornus racemosa
Grey Dogwood
Cornouiller à grappes
Synonyms
northern swamp dogwood
panicled dogwood
red-panicled dogwood
No seeds available for this plant.
We currently accept seeds for this plant
Bloom Colour: White
Bloom Period: May - Jun
Max Height: 15.0 feet
Max Width: 15.0 feet (spreads by rhizome)
Light Condition:
More than 6 hours of direct sun a day
More than 2 or 3 hours but less than 6 hours of direct sun a day
Soil conditions:
Tolerates medium soil condition
Lifespan:
Perennial
plants that will that come back year after year
Gardener Experience:
Landscape Uses:
Suitable for rain gardens
Suitable for shoreline rehabilitation
Suitable for school gardens
Can be used as a hedge
Ecological Benefits:
Supports pollinators
Butterfly host
Bee host
Tolerates:
Deer resistant
Rabbit resistant
Tolerates limestone conditions
Tolerates acidic soil conditions
Tolerates juglone conditions
Special Features and Considerations:
Plant Location
Native to Ottawa region: Yes
Distribution according to VASCAN
Ephemeral
Native
Introduced
Excluded
Extirpated
Doubtful
Absent
Thrives in Ecozones
- Boreal Plains
- Prairies
- Mixed Wood Plains
Ecological Benefits
Butterflies Supported by Cornus racemosa
- Celastrina ladon (Spring Azure)
- Hyalophora cecropia (Cecropia moth)
Specialized Bees Supported by Cornus racemosa
- Andrena fragilis
- Andrena integra
- Andrena persimulata
Plants that grow in similar conditions, that bloom at the same time.
Complementary Plants
- No complementary plants found.
Substitute For Non-Native Plants
- Rhamnus cathartica (Common Buckthorn)
- Rhamnus frangula (Glossy Buckthorn)
- Euonymus alatus (Burning Bush)
Sowing Information
Download Seed Envelope Labels (PDF)
- Sowing depth: Sow just below surface
- Sow by December
- Stratification duration: 120 days
- Notes: Warm moist stratify 60d, then cold moist stratify 60d.
Harvesting and Seed Sharing
- Harvest start month: September
- Harvesting indicator:
- Berries are ripen and easily fall off or have fallen off
- Harvesting:
- Squeeze berries to extract seeds, wash with soapy water, rinse throroughly
- Seed viability test:
- Put seed in container filled with water
- If the seed goes at the bottom of the container, you can donate
- If seed floats, do not donate
- Packaging measure: Six (6) seeds (eyeball)
- Seed storage:
- Air dry in paper bag or open container, for a few days until crisp, shaking seeds to move them once in a while to prevent molding
- Cultivar: No, you can donate without knowing the source as there are only straight species
- Remove non-seed material
- No harvesting video available at this time.
Toxicity Notes
Inadequate information on toxicity found.
Canadensis