Please choose the correct ending to complete the given sentence: Home and Garden: [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.

Ending1: [substeps] They don't really need to be much bigger, but you can cut new blooms whenever they take on a bad appearance. Keep your pruning shears in your pocket after cutting or pruning the blooms. Ending2: When you're removing your next blooming rose, be careful not to damage the flowers near the center of the plant, or the tips will wither. [substeps] Stop pruning them at the base of the stem as they die. Ending3: Look for dead, discolored, withered and limp blooms (they may be producing mold) and avocado stems. [substeps] This is the early stages of the avocado disease, and you should avoid pruning till you see them. Ending4: [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.

Answer format: ending1/ending2/ending3/ending4