Write the next sentence in the following story.

How to prune flowers
Deadhead flowers to remove spent growth during the flowering season.
As flowering plants bloom, you may need to remove spent buds to help encourage new flowers and a stronger overall plant. To deadhead a flowering plant, you want to cut the branch or stem off at a 45 degree angle, just above a new bud.

Available choices:
[I] Wrap your pruning shears around the branch or stem, and then work your pruning shears around the entire stalk to remove buds and suckers. Encourage younger plants to grow again by cutting 10-20 buds off at a time..
[II] Depending on how thick the stems of your plant are, you will need to use either gardening shears or a hedge trimmer to deadhead your plant. Plants that grow aggressively or that produce a large number of flowers may need to be deadheaded more frequently..
[III] If you expect more flowers or may still be waiting for you, you can hold off on deadheading. Do not deadhead your flowering flowers the day after you plan to flower..
[IV] That's about the length of an average sized stem. Avoid pruning flowers that appear too young or branches that only sprout slightly... The answer should be
[II]