SproutSmart
SproutSmart Intelligent Garden Sowing

German Johnson · Tomato

Planting Schedule

Add German Johnson to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsMar 30th
Last FrostMay 25th
Transplant / Direct Sow OutdoorsJul 20th
Harvest BeginsOct 18th
Harvest EndsAug 29th

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 Maturity90
Sun Requirements☀️ Full 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 far enough ahead to build a sturdy root ball, then transplant only once soil reliably warms to reduce cold-stress and improve early yields.