Nasturtiums – Repel aphids, beetles, and other pests while attracting pollinators.
Marigolds – Their strong scent keeps harmful insects away and prevents root-knot nematodes.
Radishes – Act as a natural pest trap, drawing away cucumber beetles.
Beans – Fix nitrogen in the soil, improving cucumber growth.
Lettuce – Provides ground cover, keeping soil moist and reducing weeds.
Dill – Attracts beneficial insects like ladybugs and lacewings that eat pests.
Sunflowers – Offer natural support for cucumber vines to climb and provide partial shade.