How to Propagate Kentucky yellow-wood?
Sow seeds as soon as ripe in the autumn and keep in cold frame - propagation trees from sed. Take root cuttings in winter.

Kentucky yellow-wood · Cladrastis kentukea
Also known as: virgilia; yellow ash; yellowwood; yellow-wood
Grow in fertile, well drained soil in full sun sheltered from cold winds as the wood is very brittle.
Sow seeds as soon as ripe in the autumn and keep in cold frame - propagation trees from sed. Take root cuttings in winter.