When to plant pepper (sweet & chili) in Oklahoma City
Pepper (sweet & chili) is frost-tender, so every date keys off Oklahoma City's last spring frost of Apr 3.
Step 1 · Sow
Start seeds indoors
Feb 18 – Mar 11
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
May 15 – Jun 5
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Jul 19 – Aug 13
Picking runs until conditions turn against the crop.
Window
Days to maturity
65 – 90 d
Oklahoma City's 223-day season leaves this much room.
Pepper (sweet & chili) on Oklahoma City'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 3
NOV 5
Common questions
When will pepper (sweet & chili) be ready to harvest in Oklahoma City?
Expect to harvest from around mid July (Jul 19–Aug 13) in Oklahoma City, based on its local frost dates. Confidence 79%.
When should I start pepper (sweet & chili) seeds indoors in Oklahoma City?
Start seeds indoors around mid February (Feb 18–Mar 11) in Oklahoma City, based on its local frost dates. Confidence 84%.
When can I transplant pepper (sweet & chili) outdoors in Oklahoma City?
Transplant outdoors around mid May (May 15–Jun 5) in Oklahoma City, based on its local frost dates. Confidence 85%.
How long is the growing season in Oklahoma City?
Oklahoma City has roughly 223 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 Oklahoma City's frost dates.
Confidence 88/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.