When to plant pepper (sweet & chili) in San Antonio
Pepper (sweet & chili) is frost-tender, so every date keys off San Antonio's last spring frost of Feb 21.
Step 1 · Sow
Start seeds indoors
Jan 9 – Jan 30
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Mar 20 – Apr 10
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
May 24 – Jun 18
Picking runs until conditions turn against the crop.
Window
Days to maturity
65 – 90 d
San Antonio's 282-day season leaves this much room.
Pepper (sweet & chili) on San Antonio'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
FEB 21
NOV 29
Common questions
When will pepper (sweet & chili) be ready to harvest in San Antonio?
Expect to harvest from around late May (May 24–Jun 18) in San Antonio, based on its local frost dates. Confidence 75%.
When should I start pepper (sweet & chili) seeds indoors in San Antonio?
Start seeds indoors around early January (Jan 9–Jan 30) in San Antonio, based on its local frost dates. Confidence 79%.
When can I transplant pepper (sweet & chili) outdoors in San Antonio?
Transplant outdoors around mid March (Mar 20–Apr 10) in San Antonio, based on its local frost dates. Confidence 83%.
How long is the growing season in San Antonio?
San Antonio has roughly 282 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 San Antonio's frost dates.
Confidence 83/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.