Companion plants for Choy Sum
Brassica rapa var. parachinensisvegetable
36 partners scored across pest control, nitrogen, root depth, shade and spacing.
Best partners
- Excellent pair
- Chaytor's Lavender attracts Parasitic wasps and Hoverflies, which prey on the Caterpillars and Aphids and more that attack Choy Sum
- Choy Sum draws Bees and Butterflies that improve pollination for both
- Chaytor's Lavender roots deep while Choy Sum feeds near the surface β no competition
- Excellent pair
- Common Vetch attracts Parasitic wasps and Ladybugs and more, which prey on the Caterpillars and Aphids and more that attack Choy Sum
- Common Vetch fixes nitrogen in the soil that Choy Sum feeds on
- Choy Sum acts as living mulch, keeping soil moist and weeds down around Common Vetch
Planning a whole bed?
Build a season-long sowing and planting calendar around Choy Sum β no account needed.
Also works well
Keep apart
Fennel releases compounds that inhibit Choy Sum
White Sage releases compounds that inhibit Choy Sum
