When to plant cucumber in Raleigh
Cucumber is frost-tender, so every date keys off Raleigh's last spring frost of Mar 26.
Step 1 · Sow
Start seeds indoors
Mar 21 – Apr 11
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Apr 23 – May 14
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Jun 12 – Jul 2
Picking runs until conditions turn against the crop.
Window
Days to maturity
50 – 70 d
Raleigh's 227-day season leaves this much room.
Cucumber on Raleigh'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
FROST
MAR 26
NOV 9
Common questions
When can I sow cucumber outdoors in Raleigh?
Direct-sow around late April (Apr 23–May 14) in Raleigh, based on its local frost dates. Confidence 86%.
When will cucumber be ready to harvest in Raleigh?
Expect to harvest from around mid June (Jun 12–Jul 2) in Raleigh, based on its local frost dates. Confidence 80%.
When should I start cucumber seeds indoors in Raleigh?
Start seeds indoors around late March (Mar 21–Apr 11) in Raleigh, based on its local frost dates. Confidence 85%.
When can I transplant cucumber outdoors in Raleigh?
Transplant outdoors around late April (Apr 23–May 14) in Raleigh, based on its local frost dates. Confidence 86%.
How long is the growing season in Raleigh?
Raleigh has roughly 227 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 Raleigh's frost dates.
Confidence 89/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.