SproutSmart
SproutSmart Intelligent Garden Sowing

Winter Giant · Spinach

Planting Schedule

Add Winter Giant to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsDirect Sow
Last FrostApr 1st
Transplant / Direct Sow OutdoorsMar 25th
Harvest BeginsMay 14th
Harvest EndsNov 5th

Crop Details

Transplant Conditions: Wait until soil reaches 40°F and nights stay above 30°F before moving outdoors. Harden off for 6 days first.
TraitValue
Days to Maturity50
Sun Requirements☀️ Full Sun
Growth HabitRosette
Support NeededNone
Planting DepthNormal
Germination Temp (°F)45
Min Soil Temp (°F)40
Min Night Temp (°F)30
Harden Off (days)6
Expert Note: For winter harvest, aim to transplant so plants establish before deep cold—protect with a cold frame and keep moisture consistent through freezes.