As recent as 25 years ago, the idea of organic gardening was considered quite a radical concept. How in the world were gardeners expected to control the weeds, the bugs, and the animals that could threaten a thriving garden without the use of man-made chemicals? When you think about it, organic gardening is a really simply theory. For years, people have been growing things without the use of chemicals. The early settlers of our country didnâ€™t have Miracle-Gro or Sevin Dust and they made out just fine.