1.   As leaves wither and drop, trees under stress become more vulnerable to the lethal pests.

2.   Brush off extra soil and set the plants indoors, where they will be warm and dry, and let the leaves wither, then cut them off.

3.   Native to moist woods throughout eastern North America, this is an unusual allium, in that its leaves wither before the flowers appear.

4.   The leaves wither and fall, leaving the woods stark, bleak and forlorn.

5.   The opposite is in fact true, as long as you leave the foliage intact to restore energy to the bulb before the leaves wither in summer or fall.

6.   Because of his resilience in surviving crises, Kim is often compared to honeysuckle, a perennial plant whose leaves do not wither even in winter.