SproutSmart
SproutSmart Intelligent Garden Sowing

Early White Grano · Onion

Zone 8b Save Garden

Planting Schedule

Add Early White Grano to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsDirect Sow
Last FrostMar 23rd
Transplant / Direct Sow OutdoorsApr 20th
Harvest BeginsJul 14th
Harvest EndsNov 12th

Crop Details

Transplant Conditions: Wait until soil reaches 45°F and nights stay above 35°F before moving outdoors. Harden off for 7 days first.
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)35
Harden Off (days)7
Expert Note: Start indoors early if you can control light and temperatures; transplant only once nighttime temps are reliably above the onion’s cold limit and the soil is workable to prevent stunting.