[header] How to prune kalanchoe [title] Remove spent blooms immediately. [step] Pinch off dead or dying blooms as soon as they appear. Leaving dead blooms on the plant not only looks bad, it also keeps the plant from growing new blooms. 
[substeps] You can pinch off dead blooms with your fingers, or snip them off just below the base using standard pruning shears. [title] Cut back flower stalks after removing spent blooms.