Fennel Companion Planting Guide

5 beneficial companions โ€ข 22 plants to avoid

5
Beneficial
22
Avoid
1
Research-Backed

โœ… Beneficial Companions

Apple And Pear

attracts beneficial insects, field_trial

attracts beneficial insects, field_trial

๐ŸŒฟ Traditional
General Garden Environment

Habitat Provision, University Extension

Habitat Provision, University Extension

๐Ÿ“š Extension
Common Bean

Nutrient Cycling / Unspecified, Field Trial

Nutrient Cycling / Unspecified, Field Trial

๐Ÿ”ฌ Field Trial
Soybean Cowpea Mung Bean Warm Season Legumes

Increased land efficiency, field_trial

Increased land efficiency, field_trial

๐ŸŒฟ Traditional
Strawberry

pest repulsion, field trial

pest repulsion, field trial

๐ŸŒฟ Traditional

โŒ Plants to Avoid

Basil Ocimum Basilicum

inhibits basil's growth, traditional

inhibits basil's growth, traditional

๐ŸŒฟ Traditional
Broccoli And Cauliflower Brassica Oleracea

competition, traditional

competition, traditional

๐ŸŒฟ Traditional
Cabbage

Allelopathy, Traditional/Extension

Allelopathy, Traditional/Extension

๐Ÿ“š Extension
Carrot

Inhibits growth via anethole secretion, Lab Study

Inhibits growth via anethole secretion, Lab Study

๐Ÿงช Lab Study
Corn

allelopathy, extension

allelopathy, extension

๐ŸŒฟ Traditional
Eggplant

allelopathy, horticultural_literature

allelopathy, horticultural_literature

๐ŸŒฟ Traditional
Purslane

Allelopathy, Lab Study

Allelopathy, Lab Study

๐Ÿงช Lab Study
Dill

Cross-pollination, Traditional/Anecdotal

Cross-pollination, Traditional/Anecdotal

๐ŸŒฟ Traditional
Redroot Pigweed

Allelopathy, Lab Study

Allelopathy, Lab Study

๐Ÿงช Lab Study
Nightshade Family

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

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

๐Ÿงช Lab Study
Legume Family

general, extension

general, extension

๐ŸŒฟ Traditional
Lima Bean Fava Bean Broad Bean

inhibits most plants, traditional

inhibits most plants, traditional

๐ŸŒฟ Traditional
Nasturtium Tropaeolum Majus

allelopathic, traditional

allelopathic, traditional

๐ŸŒฟ Traditional
Nightshade Family Solanaceae

Allelopathy, Anecdotal/Extension

Allelopathy, Anecdotal/Extension

๐Ÿ“š Extension
Pepper Capsicum Spp

Competes with peppers for nutrients., Traditional

Competes with peppers for nutrients., Traditional

๐ŸŒฟ Traditional
Potato

Allelopathic - inhibits potato growth, Scientific Fact

Allelopathic - inhibits potato growth, Scientific Fact

๐ŸŒฟ Traditional
Spinach And Swiss Chard

allelopathy

allelopathy

๐ŸŒฟ Traditional
Squash And Pumpkin Cucurbita Spp

inhibits growth, traditional

inhibits growth, traditional

๐ŸŒฟ Traditional
Stone Fruits Prunus Spp

allelopathy

allelopathy

๐ŸŒฟ Traditional
Tomato

Allelopathy, Traditional

Allelopathy, Traditional

๐ŸŒฟ Traditional
Unknown

Allelopathy, Extension

Allelopathy, Extension

๐Ÿ“š Extension
Zucchini And Summer Squash

inhibits growth, traditional/extension

inhibits growth, traditional/extension

๐ŸŒฟ Traditional

Weekly Growing Tips

Get seasonal planting reminders, crop rotation tips, and farm planning strategies delivered weekly.

Design Your Garden with Fennel

Use our interactive Farm Designer to plan companion plantings visually

Open Farm Designer โ†’

More Companion Guides

Explore 2,832 companion relationships across our database.