SproutSmart
SproutSmart Intelligent Garden Sowing

Red Bull F1 · Onion

Zone 8b Save Garden

Planting Schedule

Add Red Bull F1 to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsFeb 9th
Last FrostMar 23rd
Transplant / Direct Sow OutdoorsMar 23rd
Harvest BeginsJul 11th
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 Maturity110
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: For best red color and long storage, keep soil evenly moist while bulbing starts, then taper irrigation to avoid watery bulbs.