When to Plant Rosemary
Plant rosemary by your frost dates, not the calendar: start seeds indoors about 10 weeks before your last spring frost, then plant outdoors about 2 weeks after your last frost. Pick your USDA zone below for exact dates.
Rosemary planting calendar
Start seeds indoors
Feb 4
Transplant outdoors
Apr 29
Projected first harvest
Jul 28
Most rosemary mature in about 90 days. Dates above use zone 7 as a reference point. Pick your zone below, or set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
2 varieties of rosemary in the HomeSown library. Tap any for its full grow guide.
Common problems with rosemary
What to watch for, with identification and treatment for each
🌱 Grow rosemary with a calendar built for your exact yard
HomeSown turns your ZIP code into a personalized planting calendar, watering reminders, and pest help. Free to start.
Start your free garden →