10 Garden Plants that repel insects

http://www.herbs-info.com/blog/10-plants-that-repel-garden-insect-pests/

There are many more than those listed here:  Check out the article.

Borage – Borage attracts bees and predatory insects, and repels many insect pests. It also has lovely blue flowers. Considered one of the best companion plants – helpful for many plants, especially strawberries, tomatoes and cabbage.
Carrots – Carrots inter-planted with alliums (onions, leeks, garlic) confuse onion and carrot flies. If carrots are allowed to flower, they also attract assassin bug, lacewing, parasitic wasp, yellow jacket and other predatory wasps which will attack other predators.
Dill – Dill is considered helpful for cabbages, corn lettuce, onions and cucumbers. It attracts Tiger Swallowtail butterflies/caterpillars, Hoverflies, Wasps, Tomato Hornworm, honeybees and Ichneumonid Wasps. It repels Aphids, spider mites, squash bugs, cabbage looper. Dill should not be planted with cilantro as it will cross pollinate with it.
Garlic – garlic is thought to assist Apple trees, Pear trees, Roses, Cucumbers, Lettuce and Celery. It is repellant to aphids, ants, rabbits.