SproutSmart
SproutSmart Intelligent Garden Sowing

Groninger · Brussels Sprout

Planting Schedule

Add Groninger to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsApr 10th
Last FrostMay 8th
Transplant / Direct Sow OutdoorsMay 1st
Harvest BeginsJul 30th
Harvest EndsSep 30th

Crop Details

Transplant Conditions: Wait until soil reaches 45°F and nights stay above 32°F before moving outdoors. Harden off for 6 days first.
TraitValue
Days to Maturity90
Sun RequirementsFull Sun
Growth HabitUpright
Support NeededNone
Planting DepthNormal
Germination Temp (°F)45
Min Soil Temp (°F)45
Min Night Temp (°F)32
Harden Off (days)6
Expert Note: For the sweetest sprouts, aim for steady cool weather—consistent watering and a light feeding schedule help prevent loose or bitter sprouts.