SproutSmart
SproutSmart Intelligent Garden Sowing

Hill Hardy · Rosemary

Zone 4b Save Garden

Planting Schedule

Add Hill Hardy to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsApr 1st
Last FrostMay 13th
Transplant / Direct Sow OutdoorsJul 8th
Harvest BeginsNov 5th
Harvest EndsSep 27th

Crop Details

Transplant Conditions: Wait until soil reaches 60°F and nights stay above 35°F before moving outdoors. Harden off for 10 days first.
TraitValue
Days to Maturity120
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)10
Expert Note: For the most successful establishment, harden off well and plant after nights stay reliably mild so rosemary can root without cold stress.