Fennel Companion Planting Guide

5 beneficial companions • 22 plants to avoid

5
Beneficial
22
Avoid
1
Research-Backed

✅ Beneficial Companions

Apple And Pear

attracts beneficial insects, field_trial

attracts beneficial insects, field_trial

🌿 Traditional
General Garden Environment

Habitat Provision, University Extension

Habitat Provision, University Extension

📚 Extension
Common Bean

Nutrient Cycling / Unspecified, Field Trial

Nutrient Cycling / Unspecified, Field Trial

🔬 Field Trial
Soybean Cowpea Mung Bean Warm Season Legumes

Increased land efficiency, field_trial

Increased land efficiency, field_trial

🌿 Traditional
Strawberry

pest repulsion, field trial

pest repulsion, field trial

🌿 Traditional

❌ Plants to Avoid

Basil Ocimum Basilicum

inhibits basil's growth, traditional

inhibits basil's growth, traditional

🌿 Traditional
Broccoli And Cauliflower Brassica Oleracea

competition, traditional

competition, traditional

🌿 Traditional
Cabbage

Allelopathy, Traditional/Extension

Allelopathy, Traditional/Extension

📚 Extension
Carrot

Inhibits growth via anethole secretion, Lab Study

Inhibits growth via anethole secretion, Lab Study

🧪 Lab Study
Corn

allelopathy, extension

allelopathy, extension

🌿 Traditional
Eggplant

allelopathy, horticultural_literature

allelopathy, horticultural_literature

🌿 Traditional
Purslane

Allelopathy, Lab Study

Allelopathy, Lab Study

🧪 Lab Study
Dill

Cross-pollination, Traditional/Anecdotal

Cross-pollination, Traditional/Anecdotal

🌿 Traditional
Redroot Pigweed

Allelopathy, Lab Study

Allelopathy, Lab Study

🧪 Lab Study
Nightshade Family

Allelopathy, Nutrient Competition, Light Competition, Traditional/Anecdotal, Lab Study

Allelopathy, Nutrient Competition, Light Competition, Traditional/Anecdotal, Lab Study

🧪 Lab Study
Legume Family

general, extension

general, extension

🌿 Traditional
Lima Bean Fava Bean Broad Bean

inhibits most plants, traditional

inhibits most plants, traditional

🌿 Traditional
Nasturtium Tropaeolum Majus

allelopathic, traditional

allelopathic, traditional

🌿 Traditional
Nightshade Family Solanaceae

Allelopathy, Anecdotal/Extension

Allelopathy, Anecdotal/Extension

📚 Extension
Pepper Capsicum Spp

Competes with peppers for nutrients., Traditional

Competes with peppers for nutrients., Traditional

🌿 Traditional
Potato

Allelopathic - inhibits potato growth, Scientific Fact

Allelopathic - inhibits potato growth, Scientific Fact

🌿 Traditional
Spinach And Swiss Chard

allelopathy

allelopathy

🌿 Traditional
Squash And Pumpkin Cucurbita Spp

inhibits growth, traditional

inhibits growth, traditional

🌿 Traditional
Stone Fruits Prunus Spp

allelopathy

allelopathy

🌿 Traditional
Tomato

Allelopathy, Traditional

Allelopathy, Traditional

🌿 Traditional
Unknown

Allelopathy, Extension

Allelopathy, Extension

📚 Extension
Zucchini And Summer Squash

inhibits growth, traditional/extension

inhibits growth, traditional/extension

🌿 Traditional

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More Companion Guides

Explore 2,832 companion relationships across our database.

TomatoPepperBasilCarrotCabbageLettuceBeansCorn