Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to prune orchids [title] Wait until the flowers fade. [step] You should only trim the orchid after its flowers have died off. Ideally, the spike attached to the bloom should also show signs of yellowing.

Ending1: Wait until the flowers fade away completely before you move on to the next step. [substeps] The flowering season of orchids shows new growth after the last frost. Ending2: [substeps] Usually, the flowers will last roughly eight weeks before they die off. [title] Trace the spike to the base of the pseudobulb. Ending3: However, if your orchids have yellowed, do not prune. Wilted or dying orchids usually become year-round flowers. Ending4: If you see yellow, decaying foliage, or entia, this indicates that the plant is dead. [title] Watch out for lesions on the leaves.

Answer format: ending1/ending2/ending3/ending4