SproutSmart
SproutSmart Intelligent Garden Sowing

Kossak F1 · Kohlrabi

Planting Schedule

Add Kossak F1 to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsMar 23rd
Last FrostApr 20th
Transplant / Direct Sow OutdoorsApr 13th
Harvest BeginsJun 27th
Harvest EndsOct 20th

Crop Details

Transplant Conditions: Wait until soil reaches 45°F and nights stay above 35°F before moving outdoors. Harden off for 6 days first.
TraitValue
Days to Maturity75
Sun Requirements☀️ Full Sun
Growth HabitRosette
Support NeededNone
Planting DepthNormal
Germination Temp (°F)75
Min Soil Temp (°F)45
Min Night Temp (°F)35
Harden Off (days)6
Expert Note: Start a little earlier than mid-spring and keep soil consistently cool so the swollen stems stay crisp and don’t become pithy.