SproutSmart
SproutSmart Intelligent Garden Sowing

Siberian

Tomato
Botanical illustration of Siberian
🌱 65d to harvest Indeterminate

Sun-warmed and richly aromatic, Siberian slicing tomatoes bring a steady, juicy sweetness with a classic tomato tang. The flesh i…

Planting Schedule

Add Siberian to your garden to build a schedule and get reminders.

Crop Dates

MilestoneDate
Start IndoorsJan 16th
Last FrostMar 6th
Transplant / Sow OutdoorsApr 17th
Harvest BeginsJun 21st
Harvest EndsNov 26th

Crop Details

TraitValue
Days to Maturity65
Sun RequirementsFull SunFull sun
Growth HabitIndeterminate
Support NeededStake
Planting DepthDeep
Germination Temp (°F)75
Min Soil Temp (°F)60
Min Night Temp (°F)50
Harden Off (days)8

Frequently Asked Questions


What pest or disease is most common for Solanum lycopersicum (tomatoes), and how do I control it?
Tomato early blight (Alternaria) often shows as dark, target-like spots starting on lower leaves and can quickly spread in humid weather. Remove and discard affected leaves, avoid wetting foliage, and apply a labeled fungicide if the problem is recurring in your area—starting as soon as spots appear. Improve airflow by spacing plants and staking so leaves don’t sit on the soil.
How often should I water Solanum lycopersicum during the main growing phase?
During active fruit set and bulking (roughly weeks after flowering), keep soil consistently evenly moist—about 1 to 1.5 inches (2.5–4 cm) of water per week depending on heat. Water deeply at the base so the root zone gets moisture, then let the top 1 inch (2–3 cm) dry slightly before watering again to reduce disease pressure and blossom-end rot. Mulch around plants to steady moisture and prevent cracking.
How can I tell when Solanum lycopersicum is ready to harvest?
Harvest when fruits reach full color for your type and feel slightly firm but not hard, with a gentle give at the stem. Most tomatoes ripen starting around day 65 from transplant, but timing can shift with temperature and sunlight. Pick regularly when ripe—leaving overripe fruit on the vine can reduce the speed of new fruit ripening.
Botanical illustration of Siberian

Sun-warmed and richly aromatic, Siberian slicing tomatoes bring a steady, juicy sweetness with a classic tomato tang. The flesh is firm yet tender, with a balanced bite and a smooth, seed-filled interior that holds its shape beautifully in thick slices. Grow Siberian for dependable midseason harvests—ideal for fresh salads, hearty sandwiches, and vibrant sauces where its bright, clean flavor shines.

Sowing Tips

Transplant Conditions

Wait until soil reaches 60°F and nights stay above 50°F before moving outdoors. Harden off for 8 days first.

Expert Note

For Siberian’s early cold-tolerant habit, start indoors early for a strong root system, then transplant only when nights are reliably above ~50°F (use row cover if needed) to prevent cold-stunting.