When to plant summer squash / zucchini in Omaha
Summer squash / Zucchini is frost-tender, so every date keys off Omaha's last spring frost of Apr 18.
Step 1 · Sow
Start seeds indoors
Apr 20 – May 11
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
May 16 – Jun 6
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Jun 30 – Jul 15
Picking runs until conditions turn against the crop.
Window
Days to maturity
45 – 60 d
Omaha's 176-day season leaves this much room.
Summer squash / Zucchini on Omaha'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 18
OCT 14
Common questions
When can I sow summer squash / zucchini outdoors in Omaha?
Direct-sow around mid May (May 16–Jun 6) in Omaha, based on its local frost dates. Confidence 84%.
When will summer squash / zucchini be ready to harvest in Omaha?
Expect to harvest from around late June (Jun 30–Jul 15) in Omaha, based on its local frost dates. Confidence 78%.
When should I start summer squash / zucchini seeds indoors in Omaha?
Start seeds indoors around mid April (Apr 20–May 11) in Omaha, based on its local frost dates. Confidence 83%.
When can I transplant summer squash / zucchini outdoors in Omaha?
Transplant outdoors around mid May (May 16–Jun 6) in Omaha, based on its local frost dates. Confidence 84%.
How long is the growing season in Omaha?
Omaha has roughly 176 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 Omaha's frost dates.
Confidence 87/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.