Ileana and I installed string to define square-foot boundaries and built the trellises today (5/30/2011). We're largely using the gardening method described in Mel Bartholomew's
Square Foot Gardening book. I haven't gardened this densely in the past, but we're giving it a try. We stapled the string to the wood frame to define the 1-ft x 1-ft grid (roughly, since the inner dimensions of the bed are slightly smaller than 4' x 6'). We constructed the trellises using 1/2-inch electrical conduit, conduit right-angle joints, rebar, and nylon garden netting. We used 3-foot x 1/2-inch rebar hammered into the ground as anchors for the conduit. Cable ties hold the netting to the conduit frame. Short pieces of conduit set on angles form a triangle at the base of each trellis to hold it upright in the occasional brisk Colorado wind. Hose clamps hold the conduit angles to the main trellis structure. This garden was clearly being built by an engineer (break out the level and the micrometer)...
Our garden plan calls for a dense population of vegetables. Here is the layout (click to enlarge). The numbers in the squares indicate the number of plants in each square foot.
Garden plan updated 6/25/2011.
All plants we installed today were seedlings except for the beans and carrots, which we planted by seed. We haven't planted the garlic yet. Here are the the seedling tags:
After a full day of construction and planting, the garden looks like this: