Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to grow cactus indoors [title] Take a cutting from a healthy cactus. [step] You can grow new cacti from a pup that shoots off of a healthy mother plant. Choose a pup that's plump, unblemished, and healthy.

Ending1: Gently cut or break off an entire pup from the plant. [substeps] You can also buy cacti at local nurseries, home stores, and garden centers. Ending2: Get a sharp knife and trim the tip of the plant. [substeps] It's okay to only use your blade during winter. Ending3: Make sure the mother plant is in a well-drained area so they can develop roots as a mature plant. [substeps] Avoid cuttings unless the mother plant's roots are quite large and thick. Ending4: You can also find mature young cuttings from a breeder or farmer if you like the look of a colorful cactus. Cacti have small shoots that cause their roots to wrinkle and become brittle when they're cut.

Answer format: ending1/ending2/ending3/ending4