Explore LibraryStart free trial
← Plant Library

When to Plant Rosemary in Zone 8

In USDA zone 8, start seeds indoors around January 21, transplant or plant outdoors April 15 to July 14, and expect your first harvest around July 14.

Rosemary planting calendar for USDA Zone 8

🌱

Start seeds indoors

Jan 21

🌿

Transplant outdoors

Apr 15

🌾

Projected first harvest

Jul 14

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 8a — approximate

Most rosemary mature in about 90 days. Dates use USDA zone 8a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.

What zone 8 means for rosemary

Average last spring frost

April 1

Average first fall frost

November 10

Those two dates are what set the schedule above. Zone 8 gives you roughly 223 frost-free days, and rosemary need about 90 days to mature.

Varieties to grow

2 varieties of rosemary in the HomeSown library. Tap any for its full grow guide.

🌱 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 →