SproutSmart
SproutSmart Intelligent Garden Sowing

Japanese Black Trifele · Tomato

Zone 5b Save Garden

Planting Schedule

Add Japanese Black Trifele to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsMar 23rd
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 7 days first.
TraitValue
Days to Maturity75
Sun RequirementsFull Sun
Growth HabitIndeterminate
Support NeededCage
Planting DepthDeep
Germination Temp (°F)75
Min Soil Temp (°F)60
Min Night Temp (°F)50
Harden Off (days)7
Expert Note: Start in small pots/cells and transplant deeply (burying stem) once soil is consistently warm to avoid cold-stunting—especially for late cool-season heirlooms.