Multi-choice problem: Continue writing the next sentence in this paragraph:

How to prune organic plants
Prune summer and fall flowering trees as well as shrubs in the winter.
Shrubs like hydrangeas or barberries, and trees like cherries, spruce, and poplar, are best when pruned in the winter. This allows you to better see the branches since they won't have leaves.

OPT: (I) A good time to prune is during the summer if you live in a particularly cold climate. Most plants will flourish despite cuttings and pruning, but they don't have many shoots and they won't develop new diseases.; (II) However, if you only prune a couple of hours or so a month, leave those hours and remove them gradually. Garden in late fall if you plan to keep the shrubs throughout the winter.; (III) Other shrubs include mallows, camellias, glossy abelias, and european hornbeams. Trees like crab apples, junipers, plums, honey locusts, and bald cypresses should also be pruned during the winter.; (IV) Most annual pruners should trim back rue ferns once the annual weather warms up again. If plants find it hard to prune, it doesn't matter since they're actually dormant, not mature.;
(III)