SproutSmart
SproutSmart Intelligent Garden Sowing

Lacinato Rainbow · Kale

Zone 1b Save Garden

Planting Schedule

Add Lacinato Rainbow to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsMay 4th
Last FrostJun 1st
Transplant / Direct Sow OutdoorsJun 1st
Harvest BeginsJul 26th
Harvest EndsAug 1st

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 Maturity55
Sun RequirementsFull 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 best color and sweetness, grow kale through cool weather and keep soil consistently moist—harsh heat can dull leaf color and increase bitterness.