Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to divide coneflowers [title] Divide your coneflowers in the spring or late fall. [step] Planting in the early spring is ideal because the plants have yet to bloom, while fall also works because the blossoms die down. Conducting division during these months is the least invasive and will minimize damage done to the plant.

Ending1: [substeps] Summer is not an ideal month for dividing coneflowers because they are in bloom. This means they are putting a lot of energy into flower production and less on roots, making them more vulnerable. Ending2: [title] Protect your plants from frost or drought by using a garden fence. [step] Autumn, fall, and spring are the best times to prune branches that grow for decades. Ending3: [substeps] Treat your coneflowers more sparingly if you want to encourage growth. [title] Prune the flowers within 6 months of having them blooming. Ending4: [substeps] While dividing the plant may seem stressful, you're doing the best you can under the general growth yield. Be sure to be consistent when dividing the plants.

Answer format: ending1/ending2/ending3/ending4