Carrot Companion Planting Guide

16 beneficial companions • 5 plants to avoid

16
Beneficial
5
Avoid
2
Research-Backed

✅ Beneficial Companions

Oregano

Repels nematodes and carrot rust flies, Traditional

Repels nematodes and carrot rust flies, Traditional

🌿 Traditional
Radishes

Loosens soil, Extension

Loosens soil, Extension

📚 Extension
Lettuce

Living mulch, Traditional

Living mulch, Traditional

🌿 Traditional
Legumes

Nitrogen fixation, Extension

Nitrogen fixation, Extension

📚 Extension
Marigolds

Repel nematodes, Lab Study

Repel nematodes, Lab Study

🧪 Lab Study
Nasturtiums

Repel aphids, Traditional

Repel aphids, Traditional

🌿 Traditional
Peppers

Provides shade and loosens soil, Traditional

Provides shade and loosens soil, Traditional

🌿 Traditional
Parsley

Attracts beneficial insects, Traditional

Attracts beneficial insects, Traditional

🌿 Traditional
Cilantro

Repels aphids and spider mites, Traditional

Repels aphids and spider mites, Traditional

🌿 Traditional
Onions

Olfactory masking, Field Trial

Olfactory masking, Field Trial

🔬 Field Trial
Leeks

Olfactory masking, Traditional

Olfactory masking, Traditional

🌿 Traditional
Chives

Olfactory masking and taste enhancement, Traditional

Olfactory masking and taste enhancement, Traditional

🌿 Traditional
Rosemary

Deters carrot rust fly, Traditional

Deters carrot rust fly, Traditional

🌿 Traditional
Sage

Deters carrot rust fly, Traditional

Deters carrot rust fly, Traditional

🌿 Traditional
Mint Family Mentha Oregano Thyme Sage

Pest Repellence, Traditional

Pest Repellence, Traditional

🌿 Traditional
Unknown

Attraction, Field

Attraction, Field

🌿 Traditional

❌ Plants to Avoid

Fennel

Inhibits growth via anethole secretion, Lab Study

Inhibits growth via anethole secretion, Lab Study

🧪 Lab Study
Dill

Attracts pests like aphids and spider mites, Traditional

Attracts pests like aphids and spider mites, Traditional

🌿 Traditional
Celery

Attracts carrot rust fly, Traditional

Attracts carrot rust fly, Traditional

🌿 Traditional
Lantana Camara

Allelopathic inhibition of germination and growth, Lab Study

Allelopathic inhibition of germination and growth, Lab Study

🧪 Lab Study
Parsley Cilantro Dill Apiaceae Herbs

Competition for resources, potential allelopathy, Extension

Competition for resources, potential allelopathy, Extension

📚 Extension

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