When to plant pepper (sweet & chili) in Birmingham
Pepper (sweet & chili) is frost-tender, so every date keys off Birmingham's last spring frost of Mar 27.
Step 1 · Sow
Start seeds indoors
Feb 14 – Mar 7
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Apr 29 – May 20
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Jul 3 – Jul 28
Picking runs until conditions turn against the crop.
Window
Days to maturity
65 – 90 d
Birmingham's 229-day season leaves this much room.
Pepper (sweet & chili) on Birmingham'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
MAR 27
NOV 11
Common questions
When will pepper (sweet & chili) be ready to harvest in Birmingham?
Expect to harvest from around early July (Jul 3–Jul 28) in Birmingham, based on its local frost dates. Confidence 80%.
When should I start pepper (sweet & chili) seeds indoors in Birmingham?
Start seeds indoors around mid February (Feb 14–Mar 7) in Birmingham, based on its local frost dates. Confidence 85%.
When can I transplant pepper (sweet & chili) outdoors in Birmingham?
Transplant outdoors around late April (Apr 29–May 20) in Birmingham, based on its local frost dates. Confidence 86%.
How long is the growing season in Birmingham?
Birmingham has roughly 229 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 Birmingham's frost dates.
Confidence 89/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.