SproutSmart
SproutSmart Intelligent Garden Sowing

Ringmaster · Onion

Zone 2a Save Garden

Planting Schedule

Add Ringmaster to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsDirect Sow
Last FrostMay 25th
Transplant / Direct Sow OutdoorsMay 25th
Harvest BeginsAug 18th
Harvest EndsAug 29th

Crop Details

Transplant Conditions: Wait until soil reaches 45°F and nights stay above 28°F before moving outdoors.
TraitValue
Days to Maturity85
Sun RequirementsFull Sun
Growth HabitBulbing
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)45
Min Night Temp (°F)28
Harden Off (days)Not Required
Expert Note: For large, uniform bulbs, keep soil evenly moist and avoid heavy nitrogen late in the season once tops are established.