When to plant summer squash / zucchini in Fort Wayne
Summer squash / Zucchini is frost-tender, so every date keys off Fort Wayne's last spring frost of Apr 25.
Step 1 · Sow
Start seeds indoors
Apr 25 – May 16
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
May 19 – Jun 9
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Jul 3 – Jul 18
Picking runs until conditions turn against the crop.
Window
Days to maturity
45 – 60 d
Fort Wayne's 172-day season leaves this much room.
Summer squash / Zucchini on Fort Wayne'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
APR 25
OCT 17
Common questions
When can I sow summer squash / zucchini outdoors in Fort Wayne?
Direct-sow around mid May (May 19–Jun 9) in Fort Wayne, based on its local frost dates. Confidence 85%.
When will summer squash / zucchini be ready to harvest in Fort Wayne?
Expect to harvest from around early July (Jul 3–Jul 18) in Fort Wayne, based on its local frost dates. Confidence 79%.
When should I start summer squash / zucchini seeds indoors in Fort Wayne?
Start seeds indoors around late April (Apr 25–May 16) in Fort Wayne, based on its local frost dates. Confidence 84%.
When can I transplant summer squash / zucchini outdoors in Fort Wayne?
Transplant outdoors around mid May (May 19–Jun 9) in Fort Wayne, based on its local frost dates. Confidence 85%.
How long is the growing season in Fort Wayne?
Fort Wayne has roughly 172 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 Fort Wayne's frost dates.
Confidence 88/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.