
Repel whiteflies, squash bugs, aphids, many beetles and cabbage loopers. Nasturtiums could be considered the poster child for companion planting, which is growing a variety of plants close to one another for the benefits each brings to the others. Nasturtiums release an airborne chemical that repels predacious insects, protecting not just the nasturtium but other plants in the grouping. Because many of the insects nasturtiums repel favor vegetables — tomatoes, cucumbers, kale, kohlrabi, collards, broccoli, cabbage and radishes — nasturtiums are an idea choice for planting along the edges of vegetable gardens.
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