Companion planting can be an organic way to maintain a natural balance within your garden. It helps with pollination as well as keeping pest numbers down.
Many companion plants have strong scents that confuse pests searching for their host plant. Some attract beneficial insects that prey on aphids.
Thyme’s strong scent deters blackfly and is best planted near roses.You can also make tea from its leaves and spray them on cabbages to prevent whitefly.
With its strong scented leaves, they confuse pests that attack tomatoes, carrots, brassicas, and alliums. However, keep in mind that they should be grown in pots or they’ll be the one to smother your crops.
The Garlic Chive is grown for its strong scent that deters the carrot fly. It’s a hardy perennial that has white star-shaped flowers.
Lavender attracts pollinators and its strong scent helps deter aphids. They’re grown with carrots and leeks.
Wormwood, with its strong scent, deters aphids and flea beetles. The yellow flowers that bloom from it attract insects that prey on aphids.
Calendula, lures aphids away from your beans and repels whiteflies from your tomatoes. The plant also attracts insects that prey on aphids.
Sage confuses pests of brassicas with its strong scent. The flowers also attract pollinators, which is very beneficial to your garden.
Nasturtiums are sacrificial crops that can lure aphids away from your beans. It also attracts beneficial insects that eat aphids.
Fennel’s yellow flowers attract hoverflies that eat aphids.
Borage is grown for its delicate blue flowers that attract pollinators. A borage planted near tomatoes would prevent tomato hornworm attacks and if planted near strawberries, would improve its flavor.