When to plant summer squash / zucchini in Mobile
Summer squash / Zucchini is frost-tender, so every date keys off Mobile's last spring frost of Feb 20.
Step 1 · Sow
Start seeds indoors
Feb 25 – Mar 18
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Mar 20 – Apr 10
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
May 4 – May 19
Picking runs until conditions turn against the crop.
Window
Days to maturity
45 – 60 d
Mobile's 287-day season leaves this much room.
Summer squash / Zucchini on Mobile'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
FEB 20
NOV 29
Common questions
When can I sow summer squash / zucchini outdoors in Mobile?
Direct-sow around mid March (Mar 20–Apr 10) in Mobile, based on its local frost dates. Confidence 82%.
When will summer squash / zucchini be ready to harvest in Mobile?
Expect to harvest from around early May (May 4–May 19) in Mobile, based on its local frost dates. Confidence 76%.
When should I start summer squash / zucchini seeds indoors in Mobile?
Start seeds indoors around late February (Feb 25–Mar 18) in Mobile, based on its local frost dates. Confidence 81%.
When can I transplant summer squash / zucchini outdoors in Mobile?
Transplant outdoors around mid March (Mar 20–Apr 10) in Mobile, based on its local frost dates. Confidence 82%.
How long is the growing season in Mobile?
Mobile has roughly 287 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 Mobile's frost dates.
Confidence 85/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.