SproutSmart
SproutSmart Intelligent Garden Sowing

KOSAK Hybrid · Kohlrabi

Zone 6a Save Garden

Planting Schedule

Add KOSAK Hybrid to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsApr 3rd
Last FrostMay 1st
Transplant / Direct Sow OutdoorsApr 24th
Harvest BeginsJun 18th
Harvest EndsOct 10th

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 HabitUpright
Support NeededNone
Planting DepthNormal
Germination Temp (°F)42
Min Soil Temp (°F)40
Min Night Temp (°F)30
Harden Off (days)6
Expert Note: For the sweetest, most tender kohlrabi bulbs, keep soil evenly moist and harvest before bulbs get too large.