Chrysanthemums Repel roaches, ants, Japanese beetles, ticks, silverfish, lice, fleas, bedbugs, spider mites, harlequin bugs androot-knot nematodes. The ingredient in chrysanthemums that makes them so effective as an insect-repelling companion plant ispyrethrum. Read more:http://www.mnn.com/your-home/organic-farming-gardening/stories/12-plants-that-repel-unwanted-insects#ixzz3G029OPFM
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