How to Propagate wormwood senna?
Propagate by seed or semi-hardwood cuttings

wormwood senna · Senna artemisioides
Also known as: feathery cassia; silver cassia; wormwood cassia
Grow under glass in a loam-based compost in full light with moderate humidity. Grow outdoors in moist but well-drained fertile in full sun in protected frost-free area
Propagate by seed or semi-hardwood cuttings