Explore LibraryStart free trial
← Plant Library

When to Plant Mother of Thyme in Zone 9

In USDA zone 9a, start seeds indoors around January 4, transplant or plant outdoors March 1 to May 30, and expect your first harvest around May 30. (9a shown here — see 9a and 9b dates separately below.)

Mother of Thyme planting calendar for USDA Zone 9a

Average last spring frost

March 1

Average first fall frost

December 1

🌱

Start seeds indoors

Jan 4

🌿

Transplant outdoors

Mar 1

🌾

Projected first harvest

May 30

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 9a (approximate)

Mother of Thyme is ready to harvest in about 90 days, needing roughly 275 frost-free days in zone 9a.

Mother of Thyme planting calendar for USDA Zone 9b

Average last spring frost

February 15

Average first fall frost

December 15

🌱

Start seeds indoors

Dec 21

🌿

Transplant outdoors

Feb 15

🌾

Projected first harvest

May 16

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 9b (approximate)

Mother of Thyme is ready to harvest in about 90 days, needing roughly 303 frost-free days in zone 9b.

Not sure whether you're in 9a or 9b? Set your ZIP in HomeSown for dates tuned to your exact location.

Varieties to grow

1 variety of mother of thyme in the HomeSown library. Tap any for its full grow guide.

Common problems with mother of thyme

What to watch for, with identification and treatment for each

🌱 Grow mother of thyme 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 →