When to plant tomato in Amarillo
Tomato is frost-tender, so every date keys off Amarillo's last spring frost of Apr 16.
Step 1 · Sow
Start seeds indoors
Mar 20 – Apr 10
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
May 14 – Jun 4
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Jul 13 – Aug 7
Picking runs until conditions turn against the crop.
Window
Days to maturity
60 – 85 d
Amarillo's 187-day season leaves this much room.
Tomato on Amarillo'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 16
OCT 24
Common questions
When will tomato be ready to harvest in Amarillo?
Expect to harvest from around mid July (Jul 13–Aug 7) in Amarillo, based on its local frost dates. Confidence 80%.
When should I start tomato seeds indoors in Amarillo?
Start seeds indoors around mid March (Mar 20–Apr 10) in Amarillo, based on its local frost dates. Confidence 85%.
When can I transplant tomato outdoors in Amarillo?
Transplant outdoors around mid May (May 14–Jun 4) in Amarillo, based on its local frost dates. Confidence 86%.
How long is the growing season in Amarillo?
Amarillo has roughly 187 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 Amarillo's frost dates.
Confidence 89/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.