When to Plant Rosemary in Rhode Island
Rhode Island spans USDA hardiness 6b to 7b (zones 6b to 7b on this page). Plant rosemary by your local frost date, not the calendar — pick your zone below for exact start-indoors, transplant, and harvest dates.
Jump to: Zone 6b · Zone 7a · Zone 7b
Rosemary planting calendar for Rhode Island, Zone 6b
Average last spring frost
April 20
Average first fall frost
October 15
Start seeds indoors
Feb 9
Transplant outdoors
May 4
Projected first harvest
Aug 2
Most rosemary mature in about 90 days. Full zone 6 guide (both 6a and 6b) →
Rosemary planting calendar for Rhode Island, Zone 7a
Average last spring frost
April 15
Average first fall frost
October 20
Start seeds indoors
Feb 4
Transplant outdoors
Apr 29
Projected first harvest
Jul 28
Most rosemary mature in about 90 days. Full zone 7 guide (both 7a and 7b) →
Rosemary planting calendar for Rhode Island, Zone 7b
Average last spring frost
April 10
Average first fall frost
October 30
Start seeds indoors
Jan 30
Transplant outdoors
Apr 24
Projected first harvest
Jul 23
Most rosemary mature in about 90 days. Full zone 7 guide (both 7a and 7b) →
Not sure which half-zone you're in? 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
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