For an attractive garden design that combines intensive planting with a variety of plants in a small space, try a pyramid raised garden. This garden design gives you the ability to grow many different types of plants in one bed, while giving the plants the soil advantages of raised-bed gardening. The loose and well-fertilized soil of this garden design will help you grow a large crop in a relatively small space.
Measure a square for your garden plot. The pyramid bed should be large enough to hold a variety of plants, but manageable enough to reach the plants in the center. Six feet across is a good size.
Dig out all of the sod on the surface of your garden bed. Dig down about 6 inches and remove any roots or rocks from the soil. Rake the soil smooth.
Place edging, like plastic garden edging or wooden planks, around the perimeter of the garden. The edging should stick up at least 6 inches above the surface of the soil.
Fill the area within the edging with topsoil. Mix in one shovelful of compost for every square foot. Rake the surface smooth.
Insert more edging to create another square inside this first one. The edging should be 1 foot inside each wall of the first square, creating a new inner square measuring 4 feet across.
Fill this second inner square with a topsoil and compost mixture. Smooth the surface of the soil.
Add another row of edging inside the second set of walls, creating a third layer. Set each wall one foot inside the one below it. You will be creating a final layer in the center of a square two feet across.
Fill this final row with a mixture of topsoil and compost. You will now have three layers with increasing heights. Plant each layer with a different plant, for a variety garden, or fill the entire bed with one type of flower for a decorative pyramid.