When to plant pepper (sweet & chili) in Bismarck
Pepper (sweet & chili) is frost-tender, so every date keys off Bismarck's last spring frost of May 15.
Step 1 · Sow
Start seeds indoors
Apr 2 – Apr 23
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Jun 22 – Jul 13
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Aug 26 – Sep 20
Picking runs until conditions turn against the crop.
Window
Days to maturity
65 – 90 d
Bismarck's 132-day season leaves this much room.
Pepper (sweet & chili) on Bismarck'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
MAY 15
SEP 25
Common questions
When will pepper (sweet & chili) be ready to harvest in Bismarck?
Expect to harvest from around late August (Aug 26–Sep 20) in Bismarck, based on its local frost dates. Confidence 80%.
When should I start pepper (sweet & chili) seeds indoors in Bismarck?
Start seeds indoors around early April (Apr 2–Apr 23) in Bismarck, based on its local frost dates. Confidence 85%.
When can I transplant pepper (sweet & chili) outdoors in Bismarck?
Transplant outdoors around late June (Jun 22–Jul 13) in Bismarck, based on its local frost dates. Confidence 86%.
How long is the growing season in Bismarck?
Bismarck has roughly 132 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 Bismarck's frost dates.
Confidence 89/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.