Garden / June 13, 2018 /
A raised bed is ideally 18 - 24 inches deep, but if you are building your raised beds on top of existing earth you wilI have some leeway here. I have successfully gardened in boxes built over earth with only one foot of soil depth. You can find both detailed instructions for building a raised beds and multiple choices for buying raised beds here.
Fertile soil that retains nutrients and water is one of the keys to success with intensive planting, which is a fancy way of saying planting a lot in a little area. America’s intensive-growing tradition has two fathers: John Jeavons and Mel Bartholomew. In his classic 1974 book, How to Grow More Vegetables Than You Ever Thought Possible on Less Land Than You Can Imagine, Jeavons introduced Americans to French intensive-gardening techniques, notably deep soil preparation through double-dug beds and intensive crop-planting patterns. Seven years later, Bartholomew offered a new way to think about these patterns in a classic book of his own