When to plant winter squash / pumpkin in Birmingham

Winter squash / Pumpkin is frost-tender, so every date keys off Birmingham's last spring frost of Apr 17.
Step 1 · Sow
Start seeds indoors
Apr 9 – Apr 30
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Jul 8 – Jul 29
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Oct 1 – Nov 5
Picking runs until conditions turn against the crop.
Window
Days to maturity
85 – 120 d
Birmingham's 204-day season leaves this much room.
Winter squash / Pumpkin on Birmingham'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 17
NOV 7

Common questions

When can I sow winter squash / pumpkin outdoors in Birmingham?

Direct-sow around early July (Jul 8–Jul 29) in Birmingham, based on its local frost dates. Confidence 85%.

When will winter squash / pumpkin be ready to harvest in Birmingham?

Expect to harvest from around early October (Oct 1–Nov 5) in Birmingham, based on its local frost dates. Confidence 79%.

When should I start winter squash / pumpkin seeds indoors in Birmingham?

Start seeds indoors around early April (Apr 9–Apr 30) in Birmingham, based on its local frost dates. Confidence 84%.

When can I transplant winter squash / pumpkin outdoors in Birmingham?

Transplant outdoors around early July (Jul 8–Jul 29) in Birmingham, based on its local frost dates. Confidence 85%.

How long is the growing season in Birmingham?

Birmingham has roughly 204 frost-free days, which is enough time to grow winter squash / pumpkin to maturity outdoors.

The rule of thumb

Sow winter squash / pumpkin 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 Birmingham's frost dates.

Confidence 88/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.