How to Prune American cress?
No pruning needed

American cress · Barbarea verna
Also known as: bank cress; Belle Isle cress; early cress; early winter cress; land cress; Normandy cress; yellow cress; winter cress; yellow rocket
Grow in moist soil in full sun or semi shade. Can be cropped virtually all year by staggering sowing dates
No pruning needed