How to Propagate mountain dogwood?
Propagate by seed in autumn, or stratify and sow in spring or propagate by semi-hardwood cuttings

mountain dogwood · Cornus nuttallii
Also known as: Pacific dogwood
Grow in fertile, humus-rich, well-drained neutral to acid soil in sun or part shade. For more advice, see flowering dogwood cultivation
Propagate by seed in autumn, or stratify and sow in spring or propagate by semi-hardwood cuttings