SproutSmart
SproutSmart Intelligent Garden Sowing

Stuttgarter · Shallot

Zone 5b Save Garden

Planting Schedule

Add Stuttgarter to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsDirect Sow
Last FrostMay 4th
Transplant / Direct Sow OutdoorsMay 4th
Harvest BeginsSep 1st
Harvest EndsOct 5th

Crop Details

Transplant Conditions: Wait until soil reaches 45°F and nights stay above 28°F before moving outdoors.
TraitValue
Days to Maturity120
Sun RequirementsFull Sun
Growth HabitBulbing
Support NeededNone
Planting DepthNormal
Germination Temp (°F)75
Min Soil Temp (°F)45
Min Night Temp (°F)28
Harden Off (days)Not Required
Expert Note: For Stuttgarter (storage) onion, plant sets/early seedlings as soon as soil is workable and firm, then keep soil evenly moist to build a tight, well-dried bulb for long storage.