Companion plants for Red Onion
Allium cepa var. proliferumvegetable
27 partners scored across pest control, nitrogen, root depth, shade and spacing.
Best partners
- Great pair
- Comfrey attracts Ground beetles, which prey on the Cutworms that attack Red Onion
- Comfrey roots deep while Red Onion feeds near the surface β no competition
- Red Onion acts as living mulch, keeping soil moist and weeds down around Comfrey
- Great pair
- round leaf lavender attracts Hoverflies, which prey on the Thrips that attack Red Onion
- round leaf lavender roots deep while Red Onion feeds near the surface β no competition
- Red Onion acts as living mulch, keeping soil moist and weeds down around round leaf lavender
Planning a whole bed?
Build a season-long sowing and planting calendar around Red Onion β no account needed.
Also works well
- Agastache
- Allard's Lavender
- Autumn Sage
- Bee Balm
- Belgian Endive
- Bishop's Flower
- Black-eyed Susan
- Buchii Lavender
- Canary Island lavender
- Catalogna Chicory
- Chaytor's Lavender
- Cuban Oregano
- Dandelion
- Fernleaf Lavender
- French lavender
- Hot Lips
- Parsnip
- Puntarelle
- Sea Kale
- Silver Sage
- Spanish lavender
- Spike lavender
- Sugarloaf Chicory
- Turkish rocket
Keep apart
Amaryllidaceae and Fabaceae are known to grow poorly together
Amaryllidaceae and Fabaceae are known to grow poorly together
