Companion Planting.

A natural pest control for the organic gardener is to use companion plants.
In simple terms this means adding other plants to you vegetable plot to either mask the smell of the vegetable or fruit plants or the companion plants release natural scents and chemicals that help prevent pest attacks
Companion Planting.
This involves planting simple flowers, such as Tagetes Marigolds, and planning how you are actually going to plant your crops.The marigolds will attract Hover Flies and Lady Birds,whose larvae eat lots of aphids.How you actually plant your crops also has a big influence on deterring pests.
You can either plant your Marigolds around the entire plot,or just around susceptible crops.Now how do I plant my crops?If you plant rows of onions between rows of carrots,you will deter Carrot Fly.
Read more