University of Florida

Cornus kousa

Common name(s): Japanese Dogwood, Kousa Dogwood

Plant type: deciduous small tree
Primary method of propagation: seed
Alternate propagation method(s): cutting, layering

Propagation by Cuttings

Cutting type: stem tip
Time of year to take cuttings: Summer
Cutting maturity: semi-hardwood
Rooting hormone: IBA TALC 16000 PPM
Rooting environment: intermittent mist
Time to rooting: 6-8 weeks

Propagation by Seed

Time of year to collect seed: Autumn
Time of year to sow seed: Autumn
Seed treatment: stratify 40 degrees F 2-3 months.
Preferred temperature for germination: 70-85 degrees F
Time required for germination: 13-14 weeks
Comment: Seeds collected too late for Fall sowing should be stored until Summer, then stratified and sown in Fall. Mulch seedbeds.

Propagation by Layering

Type of Layering: trench
Time of year to layer: no information
Wounding: no information