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Credit: John Glover

The strong chrysanthemum-like scent of both the flowers and foliage thwarts marauding deer, and the plant is reliably disease and insect resistant. As a short-lived perennial, feverfew will busily self-sow and the seedlings can easily be transplanted; or gather the abundant seed in late summer and plant it the following spring. After blooming, the plants may be pruned back hard to rejuvenate the leaves. Use a winter mulch in zones 3 to 5.