SproutSmart
SproutSmart Intelligent Garden Sowing

Triple Crown · Blackberry

Zone 4b Save Garden

Planting Schedule

Add Triple Crown to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsDirect Sow
Last FrostMay 13th
Transplant / Direct Sow OutdoorsMay 13th
Harvest BeginsMay 13th
Harvest EndsSep 27th

Crop Details

Transplant Conditions: Wait until soil reaches 50°F and nights stay above 40°F before moving outdoors.
TraitValue
Days to Maturity365
Sun RequirementsFull Sun
Growth HabitMounding
Support NeededTrellis
Planting DepthNormal
Germination Temp (°F)65
Min Soil Temp (°F)50
Min Night Temp (°F)40
Harden Off (days)Not Required
Expert Note: Plant crowns/rootstocks in early spring or fall, keep them well-watered the first year, and train canes to a trellis for best fruiting and winter survival.