Because in many parts of the country
insects are dormant at that time of year, pruning in late fall or winter helps prevent infestation.
Arborists recommend pruning in late fall or winter when
insects are dormant and sap isn't running.
Not exact matches
But there
is hope that periodic flows will bring back willow, mesquite, and cottonwood trees, revive
insects and
dormant crustaceans, give respite to birds migrating on the Pacific Flyway, and ease strains on fisheries in the Sea of Cortez (Gulf of California).
In most cases, nematodes will become
dormant during cold weather, and any survivors would
be few in number to provide adequate
insect control the following spring.