Small-space plans fail when they try to copy a full-size garden layout at a smaller scale. The plans below are built around the actual constraint of each space, not a shrunken version of a five-bed farm layout.
For a single 4x4 raised bed
Split into a 9-square grid. Corners go to sprawling crops trained vertically — one tomato, one cucumber. Edges go to mid-size plants like peppers and bush beans. The center square goes to a dense herb block: basil, parsley, and chives sown close together.
For a balcony under 40 sq ft
- One 5-gallon fabric pot per tomato or pepper plant — do not undersize the container, it is the single biggest cause of balcony garden failure.
- A single railing planter for cut-and-come-again lettuce and herbs.
- A vertical trellis against the railing for one cucumber or pole bean plant, which produces far more per square foot than anything grown flat.
For a narrow side yard (3 feet wide, any length)
Run a single row of tall, narrow crops — pole beans on a trellis, indeterminate tomatoes staked vertically, or a row of sunflowers if you are not growing food there. Narrow spaces punish anything that sprawls, so avoid squash and melons entirely in this layout.