When to plant tomato in Omaha
Tomato is frost-tender, so every date keys off Omaha's last spring frost of Apr 18.
Step 1 · Sow
Start seeds indoors
Mar 23 – Apr 13
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
Jul 15 – Aug 9
Picking runs until conditions turn against the crop.
Window
Days to maturity
60 – 85 d
Omaha's 176-day season leaves this much room.
Tomato 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 will tomato be ready to harvest in Omaha?
Expect to harvest from around mid July (Jul 15–Aug 9) in Omaha, based on its local frost dates. Confidence 78%.
When should I start tomato seeds indoors in Omaha?
Start seeds indoors around late March (Mar 23–Apr 13) in Omaha, based on its local frost dates. Confidence 83%.
When can I transplant tomato 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 tomato to maturity outdoors.
The rule of thumb
Sow tomato 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.