SproutSmart
SproutSmart Intelligent Garden Sowing

Kokusai · Chives

Zone 1a Save Garden

Planting Schedule

Add Kokusai to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsJun 1st
Last FrostJun 15th
Transplant / Direct Sow OutdoorsAug 3rd
Harvest BeginsSep 17th
Harvest EndsJul 15th

Crop Details

Transplant Conditions: Wait until soil reaches 50°F and nights stay above 40°F before moving outdoors. Harden off for 7 days first.
TraitValue
Days to Maturity45
Sun RequirementsFull Sun
Growth HabitUpright
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)50
Min Night Temp (°F)40
Harden Off (days)7
Expert Note: Start chive seeds indoors lightly covered, then transplant after nights are consistently warm to avoid slow, weak early growth.