Companion Planting Guide
Some plants help each other by deterring pests, adding nitrogen or sharing space efficiently. Others compete or spread disease. Pick a plant to see its best and worst neighbours.
Tomato companions
Nightshade (Solanaceae)
6 good · 3 to avoid
Basil companions
Mint (Lamiaceae)
3 good · 1 to avoid
Carrot companions
Carrot (Apiaceae)
5 good · 1 to avoid
Lettuce companions
Daisy (Asteraceae)
5 good · 1 to avoid
Cucumber companions
Gourd (Cucurbitaceae)
5 good · 1 to avoid
Bean companions
Legume (Fabaceae)
6 good · 2 to avoid
Pepper companions
Nightshade (Solanaceae)
4 good · 2 to avoid
Zucchini companions
Gourd (Cucurbitaceae)
4 good · 1 to avoid
Onion companions
Allium (Amaryllidaceae)
5 good · 2 to avoid
Garlic companions
Allium (Amaryllidaceae)
5 good · 2 to avoid
Strawberry companions
Rose (Rosaceae)
5 good · 3 to avoid
Spinach companions
Amaranth (Amaranthaceae)
4 good · 1 to avoid
Corn companions
Grass (Poaceae)
4 good · 1 to avoid
Potato companions
Nightshade (Solanaceae)
4 good · 4 to avoid
Cabbage companions
Brassica (Brassicaceae)
5 good · 2 to avoid
Pea companions
Legume (Fabaceae)
5 good · 2 to avoid
Marigold companions
Daisy (Asteraceae)
5 good · 0 to avoid