When to plant pepper (sweet & chili) in Amarillo
Pepper (sweet & chili) is frost-tender, so every date keys off Amarillo's last spring frost of Apr 16.
Step 1 · Sow
Start seeds indoors
Mar 6 – Mar 27
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 20 – Aug 14
Picking runs until conditions turn against the crop.
Window
Days to maturity
65 – 90 d
Amarillo's 187-day season leaves this much room.
Pepper (sweet & chili) 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 pepper (sweet & chili) be ready to harvest in Amarillo?
Expect to harvest from around mid July (Jul 20–Aug 14) in Amarillo, based on its local frost dates. Confidence 80%.
When should I start pepper (sweet & chili) seeds indoors in Amarillo?
Start seeds indoors around early March (Mar 6–Mar 27) in Amarillo, based on its local frost dates. Confidence 85%.
When can I transplant pepper (sweet & chili) outdoors in Amarillo?
Transplant outdoors around mid May (May 16–Jun 6) 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 pepper (sweet & chili) to maturity outdoors.
The rule of thumb
Sow pepper (sweet & chili) 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.