SproutSmart
SproutSmart Intelligent Garden Sowing

Spartan · Blueberry

Zone 3a Save Garden

Planting Schedule

Add Spartan to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsDirect Sow
Last FrostMay 15th
Transplant / Direct Sow OutdoorsMay 15th
Harvest BeginsJul 14th
Harvest EndsSep 1st

Crop Details

Transplant Conditions: Wait until soil reaches 45°F and nights stay above 28°F before moving outdoors.
TraitValue
Days to Maturity60
Sun RequirementsFull Sun
Growth HabitShrub
Support NeededNone
Planting DepthNormal
Germination Temp (°F)65
Min Soil Temp (°F)45
Min Night Temp (°F)28
Harden Off (days)Not Required
Expert Note: For highbush blueberry, prioritize acidic soil (pH ~4.5–5.5) and consistent moisture rather than timing—early cultivars still rely on proper soil conditions and established roots.