SproutSmart
SproutSmart Intelligent Garden Sowing

Winterbor · Kale

Zone 1a Save Garden

Planting Schedule

Add Winterbor to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsMay 11th
Last FrostJun 15th
Transplant / Direct Sow OutdoorsJun 8th
Harvest BeginsAug 7th
Harvest EndsJul 15th

Crop Details

Transplant Conditions: Wait until soil reaches 40°F and nights stay above 28°F before moving outdoors. Harden off for 6 days first.
TraitValue
Days to Maturity60
Sun RequirementsFull Sun
Growth HabitRosette
Support NeededNone
Planting DepthNormal
Germination Temp (°F)40
Min Soil Temp (°F)40
Min Night Temp (°F)28
Harden Off (days)6
Expert Note: For the sweetest winter flavor, keep kale growing steadily in cool weather and let it finish with a couple hard frosts.