Growing Tomatoes: From Transplant to a Real Harvest

Tomatoes reward attention to a handful of fundamentals — support, spacing, and steady watering — far more than they reward fussing over fertilizer brands or exotic varieties. Most disappointing tomato harvests trace back to one of those three basics being skipped.

Determinate vs indeterminate

Determinate varieties grow to a fixed size, set fruit over a few weeks, and suit containers or a single big harvest for canning. Indeterminate varieties keep growing and fruiting until frost, need taller support, and suit gardeners who want a steady trickle of fruit all season.

Planting deep matters more than most vegetables

Tomato stems grow roots anywhere they touch soil. Bury two-thirds of a leggy transplant, stripping the lower leaves first, and it develops a much larger root system than planting at the original soil line. This single trick often does more for eventual yield than any fertilizer choice.

Support systems compared

Watering consistency prevents the two most common defects

Blossom end rot — a sunken, leathery black patch on the fruit's bottom — is caused by inconsistent watering interrupting calcium uptake, not by a lack of calcium in the soil itself in most gardens. Cracking around the shoulders happens when a dry spell is followed by heavy rain or watering, and the fruit's skin cannot expand fast enough. A consistent watering schedule, roughly 1-1.5 inches of water a week including rain, prevents both.

Pruning suckers on indeterminate varieties

• Suckers grow in the joint between the main stem and a branch and become full stems if left.
• Removing most suckers on staked indeterminate plants improves airflow and directs energy to fewer, larger fruit.
• Leave suckers alone on sprawling or caged determinate plants, where extra foliage protects fruit from sunscald.

Common problems at a glance