Best Companion Plants for Turnips (And What to Avoid)

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Choosing the right companion plants can boost turnip growth, improve flavor, and reduce pests. Likewise, some plants can hinder turnip development or attract harmful pests.

Turnip seedling
Turnip seedling

Best Companion Plants for Turnips

  • Peas and Beans: These nitrogen-fixers enrich soil, benefiting turnip roots.
  • Onions, Garlic, and Leeks: Their strong scents repel common pests like aphids and flea beetles.
  • Cabbage Family (Broccoli, Kale, Cabbage): Planting other brassicas nearby can create a beneficial microenvironment.
  • Herbs (Dill, Mint, Rosemary): These attract beneficial insects that prey on turnip pests.
  • Spinach and Lettuce: These leafy crops grow well alongside turnips, making good use of garden space.

Plants to Avoid Near Turnips

  • Potatoes: Compete heavily for nutrients and can encourage similar pests.
  • Strawberries: Susceptible to the same fungal diseases as turnips.
  • Fennel: Inhibits growth of many vegetables, including turnips.
  • Tomatoes: Can attract pests harmful to turnips and compete for nutrients.

My Experience

After years of garden experimentation, I’ve found planting onions and peas near turnips greatly reduces pest problems and improves harvest quality.

Written by Stephen Albert

Stephen Albert is a horticulturist, master gardener, and certified nurseryman who has taught at the University of California for more than 25 years. He holds graduate degrees from the University of California and the University of Iowa. His books include Vegetable Garden Grower’s Guide, Vegetable Garden Almanac & Planner, Tomato Grower’s Answer Book, and Kitchen Garden Grower’s Guide. His Vegetable Garden Grower’s Masterclass is available online. Harvesttotable.com has more than 10 million visitors each year.

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