Giant Belgium

Tomato

90d to harvest

Sink your senses into Giant Belgium’s broad, beefsteak heft—flesh that tastes richly sweet with a gentle tang, as juicy as it is satisfying. At maturity, the fruits develop a warm, classic tomato glow with a smooth, satin skin and a dense, velvety interior that holds its shape beautifully. Grow it for standout slices and showy centerpiece harvests—ideal for bold, flavor-forward salads, vibrant sauces, and bright pickling-style preserves.

Crop Dates

Milestone	Date
Start Indoors	Mar 27th
Last Frost	May 15th
Transplant / Sow Outdoors	Jul 10th
Harvest Begins	Oct 8th
Harvest Ends	Sep 24th

Crop Details

Trait	Value
Days to Maturity	90
Sun Requirements	Full Sun
Growth Habit	Indeterminate
Support Needed	Stake
Planting Depth	Deep
Germination Temp (°F)	75
Min Soil Temp (°F)	60
Min Night Temp (°F)	50
Harden Off (days)	10

Frequently Asked Questions

What pest or disease is most common on Solanum lycopersicum (giant tomatoes), and how do I stop it?

Watch for early blight (dark, concentric spots on older leaves) and blight-prone leaf diseases, which build fast in warm, humid weather. Remove and dispose of affected lower leaves, water at the soil line (not overhead), and keep airflow by spacing plants and pruning lower foliage. If problems start, use a labeled fungicide for tomatoes and begin treatments early rather than waiting for widespread spotting.

How often should I water giant tomatoes (Solanum lycopersicum) during peak growth to prevent problems?

During the main growing and fruit-setting period, keep soil consistently moist but not waterlogged—aim for about 1–2 inches of water per week, adjusting for heat and rainfall. Water deeply 1–3 times per week instead of frequent light sprinkles so moisture reaches the root zone. Mulch helps maintain steady moisture and reduces cracking and blossom-end rot in Solanum lycopersicum.

How can I tell when giant Belgium tomatoes are ready to harvest (Solanum lycopersicum)?

Harvest when fruits reach full size and have a uniform mature color for the variety (typically deep red if grown under standard conditions), with a slight give when gently squeezed. The blossom end should be free of persistent dark, sunken spots, and the fruit should detach from the vine with a slight twist. If nights are cool and color lags, you can still pick at the breaker stage and ripen indoors, but let the vine-ripened fruits be your standard for best flavor.