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Companion Planting Guide

Companion Plants for Cucumber

Discover which plants thrive alongside Cucumber and which ones to keep far away. Strategic companion planting boosts yields, repels pests naturally, and makes the most of your garden space.

Good Companions for Cucumber

Plant these near your Cucumber for mutual benefit

Basil

Good

Repels aphids and whiteflies that are common cucumber pests; improves cucumber vigor

View Basil growing guide

Sunflower

Good

Provides a natural trellis for cucumbers to climb while attracting pollinators

View Sunflower growing guide

Radish

Good

Repels cucumber beetles — plant around the perimeter of cucumber plants as a trap crop

View Radish growing guide

Marigold

Good

Deters cucumber beetles and nematodes in the soil around cucumber roots

View Marigold growing guide

Dill

Good

Attracts beneficial insects that prey on aphids and other cucumber pests

View Dill growing guide

Plants to Avoid Near Cucumber

Keep these away from your Cucumber plants

Sage

Avoid

Sage inhibits cucumber growth; keep these plants separated in the garden

View Sage growing guide

Mint

Avoid

Mint can spread aggressively and overwhelm cucumber plants; also said to inhibit their growth

View Mint growing guide

Potato

Avoid

Both are susceptible to blight and should not be planted near each other to limit disease spread

View Potato growing guide

Where to Grow Cucumber With Its Companions

Check your city's planting calendar for Cucumber and its best companion plants.

Frequently Asked Questions

What grows well with Cucumber?

Basil: Repels aphids and whiteflies that are common cucumber pests; improves cucumber vigor. Sunflower: Provides a natural trellis for cucumbers to climb while attracting pollinators. Radish: Repels cucumber beetles — plant around the perimeter of cucumber plants as a trap crop.

What should you not plant near Cucumber?

Sage: Sage inhibits cucumber growth; keep these plants separated in the garden. Mint: Mint can spread aggressively and overwhelm cucumber plants; also said to inhibit their growth. Potato: Both are susceptible to blight and should not be planted near each other to limit disease spread.

What is companion planting for Cucumber?

Companion planting for Cucumber means strategically placing plants nearby that offer mutual benefits — such as repelling pests, attracting pollinators, or improving soil conditions. Good Cucumber companions include Basil, Sunflower, Radish. Avoid planting Cucumber near Sage or Mint.