SproutSmart
SproutSmart Intelligent Garden Sowing

Heidi · Tomato

Zone 5b Save Garden

Planting Schedule

Add Heidi to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsMar 16th
Last FrostMay 4th
Transplant / Direct Sow OutdoorsJun 29th
Harvest BeginsSep 12th
Harvest EndsOct 5th

Crop Details

Transplant Conditions: Wait until soil reaches 60°F and nights stay above 50°F before moving outdoors. Harden off for 10 days first.
TraitValue
Days to Maturity75
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)10
Expert Note: Start indoors early, keep seedlings consistently warm (especially nights), and transplant only when soil is truly 60°F+ for reliable set and disease-resistant performance.