When to plant basil in Jacksonville
Basil is frost-tender, so every date keys off Jacksonville's last spring frost of Feb 9.
Step 1 · Sow
Start seeds indoors
Jan 24 – Feb 14
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Mar 7 – Mar 28
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
May 6 – Jun 5
Picking runs until conditions turn against the crop.
Window
Days to maturity
60 – 90 d
Jacksonville's 311-day season leaves this much room.
Basil on Jacksonville's growing year
Frost-bounded season with crops mapped onto the 12-month axis.
Frost risk Growing Harvest
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
FROST
FEB 9
DEC 17
Common questions
When can I sow basil outdoors in Jacksonville?
Direct-sow around early March (Mar 7–Mar 28) in Jacksonville, based on its local frost dates. Confidence 84%.
When will basil be ready to harvest in Jacksonville?
Expect to harvest from around early May (May 6–Jun 5) in Jacksonville, based on its local frost dates. Confidence 76%.
When should I start basil seeds indoors in Jacksonville?
Start seeds indoors around late January (Jan 24–Feb 14) in Jacksonville, based on its local frost dates. Confidence 80%.
When can I transplant basil outdoors in Jacksonville?
Transplant outdoors around early March (Mar 7–Mar 28) in Jacksonville, based on its local frost dates. Confidence 84%.
How long is the growing season in Jacksonville?
Jacksonville has roughly 311 frost-free days, which is enough time to grow basil to maturity outdoors.
The rule of thumb
Sow basil 6–8 weeks before your last spring frost; plant out 2–3 weeks after it. Every date on this page is derived from that rule and Jacksonville's frost dates.
Confidence 84/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.