SproutSmart
SproutSmart Intelligent Garden Sowing

Purple Coneflower · Purple Coneflower

Zone 2b Save Garden

Planting Schedule

Add Purple Coneflower to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsMar 20th
Last FrostMay 15th
Transplant / Direct Sow OutdoorsMay 15th
Harvest BeginsAug 13th
Harvest EndsAug 25th

Crop Details

Transplant Conditions: Wait until soil reaches 60°F and nights stay above 35°F before moving outdoors. Harden off for 7 days first.
TraitValue
Days to Maturity90
Sun RequirementsFull Sun
Growth HabitUpright
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)60
Min Night Temp (°F)35
Harden Off (days)7
Expert Note: For best establishment, stratify seeds (cold treatment) and transplant only once soil is consistently workable and nights are mild.