Cornus officinalis is a deciduous Shrub that grows to a medium size of 10 m (32 ft) by 10 m (32 ft). It is cold resistant and hardy to zone 6 (UK). It blooms in February and March, and the seeds mature in September. Insects pollinate the species, which is hermaphrodite (has both male and female parts). It may thrive in either semi-shade (light forest) or full sun. Cornus officinalis is a species of dogwood known also as Japanese cornel or Japanese cornelian cherry. It loves soil that is wet.
Botanical Name : Cornus officinalis
Common Name : Asiatic Dogwood
Height : 32 ft
Spread : 32 ft
Germination Info : Seed requires 180-210 days warm stratification followed by 60-120 days cold stratification
Hardiness zone : 6-8
Average seed per ounce : Approx. 250