SproutSmart
SproutSmart Intelligent Garden Sowing

King Richard · Leek

Planting Schedule

Add King Richard to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsDirect Sow
Last FrostJan 1st
Transplant / Direct Sow OutdoorsDec 4th
Harvest BeginsFeb 17th
Harvest EndsDec 31st

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 HabitUpright
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)45
Min Night Temp (°F)35
Harden Off (days)6
Expert Note: Grow as a cool-season leek: start indoors for long shanks, then transplant when nights are reliably above freezing to avoid bolting.