When to plant summer squash / zucchini in Corpus Christi

Summer squash / Zucchini is frost-tender, so every date keys off Corpus Christi's last spring frost of Feb 2.
Step 1 · Sow
Start seeds indoors
Feb 18 – Mar 11
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Dec 25 – Jan 15
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Feb 8 – Feb 23
Picking runs until conditions turn against the crop.
Window
Days to maturity
45 – 60 d
Corpus Christi's 314-day season leaves this much room.
Summer squash / Zucchini on Corpus Christi'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
FEB 2
DEC 13

Common questions

When can I sow summer squash / zucchini outdoors in Corpus Christi?

Direct-sow around late December (Dec 25–Jan 15) in Corpus Christi, based on its local frost dates. Confidence 81%.

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

Expect to harvest from around early February (Feb 8–Feb 23) in Corpus Christi, based on its local frost dates. Confidence 75%.

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

Start seeds indoors around mid February (Feb 18–Mar 11) in Corpus Christi, based on its local frost dates. Confidence 79%.

When can I transplant summer squash / zucchini outdoors in Corpus Christi?

Transplant outdoors around late December (Dec 25–Jan 15) in Corpus Christi, based on its local frost dates. Confidence 81%.

How long is the growing season in Corpus Christi?

Corpus Christi has roughly 314 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 Corpus Christi's frost dates.

Confidence 83/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.