Potato Companion Planting Guide

7 beneficial companions • 13 plants to avoid

7
Beneficial
13
Avoid
0
Research-Backed

✅ Beneficial Companions

Corn

shade, field_trial

shade, field_trial

🌿 Traditional
Thyme Chives Sage

Scent confusion for pests, Traditional Wisdom

Scent confusion for pests, Traditional Wisdom

🌿 Traditional
Nasturtiums

Trap crop for aphids, Widely Accepted Horticultural Strategy

Trap crop for aphids, Widely Accepted Horticultural Strategy

🌿 Traditional
Lettuce Spinach

Interplanting for space maximization, Proven Horticultural Practice

Interplanting for space maximization, Proven Horticultural Practice

🌿 Traditional
Marigolds

Suppresses root-knot nematodes, Scientifically Validated

Suppresses root-knot nematodes, Scientifically Validated

🌿 Traditional
Alyssum

Attracts beneficial insects, Proven Horticultural Practice

Attracts beneficial insects, Proven Horticultural Practice

🌿 Traditional
Bush Beans Peas

Nitrogen Fixation, Scientifically Proven

Nitrogen Fixation, Scientifically Proven

🌿 Traditional

❌ Plants to Avoid

Asparagus

Unknown, Extension/Traditional

Unknown, Extension/Traditional

📚 Extension
Nightshade Family Solanaceae

Shared Diseases, Established Fact

Shared Diseases, Established Fact

🌿 Traditional
Horseradish

Increased incidence of Colorado Potato Beetle attack, Field Trial

Increased incidence of Colorado Potato Beetle attack, Field Trial

🔬 Field Trial
French Marigold

Increased incidence of Colorado Potato Beetle attack, Field Trial

Increased incidence of Colorado Potato Beetle attack, Field Trial

🔬 Field Trial
Tomatoes

Host for Late Blight, Scientific Fact

Host for Late Blight, Scientific Fact

🌿 Traditional
Asparagus

Logistical conflict during harvest, Logistical Fact

Logistical conflict during harvest, Logistical Fact

🌿 Traditional
Fennel

Allelopathic - inhibits potato growth, Scientific Fact

Allelopathic - inhibits potato growth, Scientific Fact

🌿 Traditional
Sunflowers

Allelopathic - stunts potato growth, Probable Fact

Allelopathic - stunts potato growth, Probable Fact

🌿 Traditional
Cucumbers Melons

Share susceptibility to blight, compete for water, Probable Fact

Share susceptibility to blight, compete for water, Probable Fact

🌿 Traditional
Flax

Increased incidence of Colorado Potato Beetle attack, Field Trial

Increased incidence of Colorado Potato Beetle attack, Field Trial

🔬 Field Trial
Bush Beans

Increased incidence of Colorado Potato Beetle attack, Field Trial

Increased incidence of Colorado Potato Beetle attack, Field Trial

🔬 Field Trial
Tansy

Increased incidence of Colorado Potato Beetle attack, Field Trial

Increased incidence of Colorado Potato Beetle attack, Field Trial

🔬 Field Trial
Unknown

Reason not specified, anecdotal

Reason not specified, anecdotal

🌿 Traditional

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More Companion Guides

Explore 2,832 companion relationships across our database.

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