How to Prune lead plant?
Shorten last year's flowering stems to one or two buds from the older woody framework. Remove thin, weak and dead shoots. Prune in early to mid-spring as growth resumes; avoid winter pruning that exposes new shoots to frost.

lead plant · Amorpha canescens
Also known as: leadwort; North American wild tea
Grow in light, sandy, well-drained soil in sun or partial shade
Shorten last year's flowering stems to one or two buds from the older woody framework. Remove thin, weak and dead shoots. Prune in early to mid-spring as growth resumes; avoid winter pruning that exposes new shoots to frost.