SproutSmart
SproutSmart Intelligent Garden Sowing

Starbor · Kale

Zone 4b Save Garden

Planting Schedule

Add Starbor to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsApr 15th
Last FrostMay 13th
Transplant / Direct Sow OutdoorsMay 13th
Harvest BeginsJul 7th
Harvest EndsSep 27th

Crop Details

Transplant Conditions: Wait until soil reaches 45°F and nights stay above 30°F before moving outdoors. Harden off for 6 days first.
TraitValue
Days to Maturity55
Sun RequirementsFull Sun
Growth HabitRosette
Support NeededNone
Planting DepthNormal
Germination Temp (°F)45
Min Soil Temp (°F)45
Min Night Temp (°F)30
Harden Off (days)6
Expert Note: For best flavor and crisp texture, grow kale in cool weather and transplant only when nights are consistently above freezing to avoid stunting.