Semi-hardwood cuttings

Semi-hardwood cuttings are taken from current-season growth that has partially matured -- firm but not yet woody. The wood bends without breaking but is no longer soft and pliable. This is the standard propagation method for broadleaf evergreens including rhododendron, camellia, holly, boxwood, and.

Semi-hardwood cuttings are taken from current-season growth that has partially matured — firm but not yet woody. The wood bends without breaking but is no longer soft and pliable. This is the standard propagation method for broadleaf evergreens including rhododendron, camellia, holly, boxwood, and many conifers. Per NC State Extension, this window — late summer to early fall (July—October in the eastern US) — captures growth that is mature enough to withstand the stress of rooting without the fragility of softwood.

The semi-hardwood window

Per Penn State Extension:

• Timing: July through September in zones 5—7; August through October in zones 7—9
• Test: The cutting flexes without snapping but springs back when bent; it feels firm rather than soft; the base is beginning to turn tan or brownish

The distinction from softwood: semi-hardwood cuttings tolerate lower humidity and require less intensive monitoring. The distinction from hardwood: they root faster and don't require the winter cold storage period.