SproutSmart
SproutSmart Intelligent Garden Sowing

Siberian · Tomato

Zone 9b Save Garden

Planting Schedule

Add Siberian to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsDec 22nd
Last FrostFeb 9th
Transplant / Direct Sow OutdoorsMar 23rd
Harvest BeginsMay 27th
Harvest EndsDec 9th

Crop Details

Transplant Conditions: Wait until soil reaches 60°F and nights stay above 50°F before moving outdoors. Harden off for 8 days first.
TraitValue
Days to Maturity65
Sun RequirementsFull 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
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.