Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to prune blueberries [title] Know where blueberry bushes produce fruit. [step] Blueberries grow on the side-shoots, off of the main branches of the bushes. [substeps] Blueberries only grow on branches that are at least one year old.

Ending1: Ranboupas are on the pruned side shoots, as they have the largest leaves and serrated blades of a knife. Blueberries usually grow between 17 and 24 inches (34 and 38 cm). Ending2: Blueberries that grow on the stem, edging a minimal eight-year old plant, may be planted in older bushes. If you're not sure whether blueberries produce fruit or berries, you may need to prune into mature plants. Ending3: Branches over four years may have a smaller crop. You must prune the bushes so that they provide enough new growth for blueberry production next year. Ending4: [title] Purchase blueberries from reputable sources. [step] Most local shops and restaurants will produce blueberries for you.

Answer format: ending1/ending2/ending3/ending4