You do not need a yard to grow great tomatoes. With the right pot, soil, and a sunny balcony, container tomatoes can out-produce a small in-ground bed — and they are easier to manage.
Pot and soil basics
Use at least a 5-gallon pot per plant with good drainage. Fill with a quality potting mix (never garden soil) and add a slow-release tomato fertilizer at planting.
Light, water, support
Tomatoes want 6–8 hours of sun. Water deeply and consistently — containers dry fast. Stake or cage early, and prune the lower suckers for airflow.
Feeding for fruit
Once flowers set, switch to a bloom-boosting feed and keep the soil evenly moist to avoid blossom-end rot. Mulch the top to hold moisture.
- Choose determinate (bush) types for small spaces.
- Put the pot on wheels so you can chase the sun.
- Water in the morning, not at noon.
- Pinch off the bottom leaves that touch soil.
A single potted tomato plant can teach you more than a whole decade of reading about them.