When to plant cucumber in Jacksonville
Cucumber is frost-tender, so every date keys off Jacksonville's last spring frost of Feb 9.
Step 1 · Sow
Start seeds indoors
Feb 7 – Feb 28
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
Apr 26 – May 16
Picking runs until conditions turn against the crop.
Window
Days to maturity
50 – 70 d
Jacksonville's 311-day season leaves this much room.
Cucumber 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 cucumber outdoors in Jacksonville?
Direct-sow around early March (Mar 7–Mar 28) in Jacksonville, based on its local frost dates. Confidence 84%.
When will cucumber be ready to harvest in Jacksonville?
Expect to harvest from around late April (Apr 26–May 16) in Jacksonville, based on its local frost dates. Confidence 76%.
When should I start cucumber seeds indoors in Jacksonville?
Start seeds indoors around early February (Feb 7–Feb 28) in Jacksonville, based on its local frost dates. Confidence 80%.
When can I transplant cucumber 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 cucumber to maturity outdoors.
The rule of thumb
Sow cucumber 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.