If you cut any of these trees or shrubs down to the ground in December, then they will shoot up again the following spring and provide a crop of vigorous shoots and ample food for an enormous range of caterpillars and other leaf eaters.
(you; cut; any of these trees or shrubs; down; to the ground; T:in December) (they; provide; a crop of vigorous shoots and ample food)
you they
cut provide
any of these trees or shrubs down to the ground T:in December
a crop of vigorous shoots and ample food