When to plant summer squash / zucchini in Montgomery

Summer squash / Zucchini is frost-tender, so every date keys off Montgomery's last spring frost of Mar 12.
Step 1 · Sow
Start seeds indoors
Mar 13 – Apr 3
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Apr 3 – Apr 24
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
May 18 – Jun 2
Picking runs until conditions turn against the crop.
Window
Days to maturity
45 – 60 d
Montgomery's 240-day season leaves this much room.
Summer squash / Zucchini on Montgomery'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
MAR 12
NOV 9

Common questions

When can I sow summer squash / zucchini outdoors in Montgomery?

Direct-sow around early April (Apr 3–Apr 24) in Montgomery, based on its local frost dates. Confidence 89%.

When will summer squash / zucchini be ready to harvest in Montgomery?

Expect to harvest from around mid May (May 18–Jun 2) in Montgomery, based on its local frost dates. Confidence 80%.

When should I start summer squash / zucchini seeds indoors in Montgomery?

Start seeds indoors around mid March (Mar 13–Apr 3) in Montgomery, based on its local frost dates. Confidence 85%.

When can I transplant summer squash / zucchini outdoors in Montgomery?

Transplant outdoors around early April (Apr 3–Apr 24) in Montgomery, based on its local frost dates. Confidence 89%.

How long is the growing season in Montgomery?

Montgomery has roughly 240 frost-free days, which is enough time to grow summer squash / zucchini to maturity outdoors.

The rule of thumb

Sow summer squash / zucchini 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 Montgomery's frost dates.

Confidence 89/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.