Grow your own decoy (#3)
Knowing that aphids are attracted to all things yellow, the staff of Ecology Action in Willits, California, have learned to plant yellow nasturtiums at the base of tomato plants to lure aphids away from the tomatoes. Monitor the nasturtiums closely, they urge. After the flowers have drawn in the aphids—and before the aphids reproduce—pull out the decoy plants and destroy their load of insects.
Photo: (cc) quinn.anya/flickr
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