When to plant cucumber in Newark

Cucumber is frost-tender, so every date keys off Newark's last spring frost of Apr 3.
Step 1 · Sow
Start seeds indoors
Mar 22 – Apr 12
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
May 15 – Jun 5
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Jul 4 – Jul 24
Picking runs until conditions turn against the crop.
Window
Days to maturity
50 – 70 d
Newark's 223-day season leaves this much room.
Cucumber on Newark'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
APR 3
NOV 11

Common questions

When can I sow cucumber outdoors in Newark?

Direct-sow around mid May (May 15–Jun 5) in Newark, based on its local frost dates. Confidence 83%.

When will cucumber be ready to harvest in Newark?

Expect to harvest from around early July (Jul 4–Jul 24) in Newark, based on its local frost dates. Confidence 77%.

When should I start cucumber seeds indoors in Newark?

Start seeds indoors around late March (Mar 22–Apr 12) in Newark, based on its local frost dates. Confidence 82%.

When can I transplant cucumber outdoors in Newark?

Transplant outdoors around mid May (May 15–Jun 5) in Newark, based on its local frost dates. Confidence 83%.

How long is the growing season in Newark?

Newark has roughly 223 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 Newark's frost dates.

Confidence 86/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.