Answer: Using plants as pest controls are what we term Companion Planting. Here are some of the most common pest repelling plants:
Allium--flowering onions, chives, garlic, leek, onion and shallot; Basil; Borage; Catnip; Chamomile, Chervil; Coriander, Dill, Geranium, Hyssop, Marigold, Mustard, Nasturtiums, Oregano, Parsley, Pennyroyal, Chrysanthemums, Sage and Thyme. In fact, any plant with aromatic foliage will help repel insect pests.
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