Companion planting: It means plants being friendly with each other(Nutrient uptake) and helping each other through its rough patches(Pests trouble).They also help each other in pollination and crop productivity.
1. The smell of the foliage of marigolds is claimed to deter aphids from feeding on neighbouring crops.
2. Basil with tomatoes to improve growth and flavor. Basil also does well with peppers, oregano, asparagus and petunias.It is said to repel flies and mosquitoes.
3. Mint : Deters white cabbage moths, ants, rodents, flea beetles, fleas, aphids and improves the health of cabbage and tomatoes.
4. Okra: Plant lettuce around your okra plants and they will shade the lettuce in the summer giving you some more growing time. Okra also does well with peppers and eggplants as it helps protect these brittle stemmed plants from high winds. It also gets along with basil, cucumbers, melons, and black eyed peas. For planting with the peas,plant your Okra first. When the okra is up and established plant the peas around the edges of the okra planting. You may find that the peas are far less bothered by aphids when near okra.
5. Radish: Companions for radishes are: radish, beet, bush beans, pole beans, carrots, chervil, cucumber, lettuce, melons, nasturtium, parsnip, peas, spinach and members of the squash family.
6. Spinach: Plant with peas and beans as they provide natural shade for the spinach. Gets along with cabbage, cauliflower, celery, eggplant, onion and peas.