Wood, concrete, concrete blocks are several materials you can consider for raised garden beds. All of these have advantages and disadvantages. This page outlines your choices. There are several methods for making the best use of space in wide-bed planting. Growing two or more types of vegetables in the same place at the same time is known as interplanting.
Proper planning is essential to obtain high production and qual- ity of interplanted crops.
This technique has been practiced for thousands of years, but is just now gaining widespread support in this country. For the beginner, alter- nating rows may be the easiest to manage. The radishes are harvested be- fore they begin to crowd the carrots. Shade tolerant spe- cies like lettuce, spinach, and celery may be planted in the shadow of taller crops. Heavy feeders, such as cabbage family crops, should be mixed with less gluttonous plants.