Climate Quick Tips: Arrest Those Pests 

Alliums, such as onions, chives, and shallots act as natural pest repellents in your garden. They give off an odor that masks the scent of more appealing plants that insects like to feast on, so plant them nearby. But note, too, that signs of insect life in your garden are typically healthy. 

Bluedot’s gardening columnist offers lots more tips on eco-friendly plantings.