Companion Plants for Bok Choy
Bok Choy thrives alongside Beet, Celery, Dill, and more. Here's the complete guide to what to plant nearby — and what to keep at a distance.
Best Companions for Bok Choy
These plants improve each other's growth, deter pests, or attract pollinators when planted nearby.
Uses underground space while Bok Choy occupies the canopy above — minimal resource competition, maximum bed productivity.
View Beet's companions →Compatible neighbors that share space and resources efficiently without competing for the same nutrients.
View Celery's companions →Aromatic oils confuse and repel common insect pests, reducing aphid and whitefly pressure on nearby plants.
View Dill's companions →Compatible neighbors that share space and resources efficiently without competing for the same nutrients.
View Onion's companions →What Not to Plant Near Bok Choy
These combinations can stunt growth, attract pests, or compete heavily for the same nutrients.
Can inhibit growth or share pests and diseases — keep a full bed-width apart.
View Strawberry's companions →Can inhibit growth or share pests and diseases — keep a full bed-width apart.
View Tomato's companions →How to Plant Bok Choy with Companions
Start with spacing
Plant Bok Choy at its recommended spacing (6" apart) first. Don't crowd it — healthy air circulation reduces disease.
Add herbs at the edges
Aromatic companions like Dill work well tucked 6–12" around the perimeter of the Bok Choy planting.
Watch for height conflicts
Place taller companions (sunflowers, corn) on the north side of the bed so they don't shade Bok Choy. Low-growing herbs and flowers can go anywhere in the bed.
Keep incompatible plants a bed away
Strawberry and Tomato should be planted in a separate bed — ideally 3+ feet away — to prevent root exudate and pest crossover.
Plan a companion bed for Bok Choy
Use the interactive planner to drag Bok Choy and its companions onto a canvas, see spacing footprints, and catch conflicts before you plant.
Frequently Asked Questions
What are the best companion plants for Bok Choy?
The best companion plants for Bok Choy are Beet, Celery, Dill, Onion. These plants either deter pests, attract beneficial insects, or improve growing conditions when planted nearby.
What should you not plant near Bok Choy?
Avoid planting Bok Choy near Strawberry, Tomato. These plants can compete for nutrients, inhibit growth, or attract shared pests.
Can you plant Bok Choy in a raised bed with companions?
Yes — raised beds are ideal for companion planting because you control exact spacing and layout. Use the square-foot method to place Bok Choy alongside its best companions within the same bed.
How far apart should I plant Bok Choy and its companions?
Give Bok Choy its full 6" spacing. Plant compact companions like herbs 6–12" away at the bed edge, and taller companions (sunflowers, corn) where they won't shade the main crop. In raised beds, use the square-foot grid method for precise spacing.
Does companion planting actually work for Bok Choy?
Research supports several companion planting mechanisms: aromatic herbs like basil can reduce aphid populations near tomatoes; marigolds release thiophene compounds that deter nematodes; and flowers attract parasitic wasps that control caterpillars. Results vary by garden, but most gardeners see measurable pest reduction within one season.
Want the full Bok Choy growing guide?
Spacing, planting dates by ZIP code, seed saving tips, and more.