Can I plant horseradish next to potato?

Yes. The most commonly repeated potato companion, credited with deterring the Colorado potato beetle. As with the claim that marigolds deter potato beetles, no extension or research source was found testing horseradish against this specific pest: treat it as garden tradition, not measured evidence.

Companion Planting & Garden Value: Horseradish

Armoracia rusticana

Spacing: 1 per square foot. Mature height: 2-3 ft.

Plant these nearby

Potato: The most commonly repeated potato companion, credited with deterring the Colorado potato beetle. As with the claim that marigolds deter potato beetles, no extension or research source was found testing horseradish against this specific pest: treat it as garden tradition, not measured evidence.

Keep these apart

Nothing it needs to be kept away from.

Common pairings, answered directly

Can I plant horseradish next to potato?: Yes. The most commonly repeated potato companion, credited with deterring the Colorado potato beetle. As with the claim that marigolds deter potato beetles, no extension or research source was found testing horseradish against this specific pest: treat it as garden tradition, not measured evidence.

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Companion planting guide for Horseradish

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Companion planting for Horseradish: which plants to grow next to it, which to keep apart, and the reason behind each pairing.

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