When to plant broccoli in Peoria
Broccoli is cold-hardy, so every date keys off Peoria's frost dates of Jan 27.
Step 1 · Sow
Start seeds indoors
Dec 16 – Jan 6
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Dec 28 – Jan 18
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Feb 26 – Mar 23
Picking runs until conditions turn against the crop.
Step 4 · Second sowing
Autumn / second sowing
Aug 31 – Sep 14
A second window for a fall crop, timed to mature before the first frost.
Step 5 · Second harvest
Autumn crop harvest
Nov 6 – Dec 1
Maturity window for the second sowing.
Window
Days to maturity
60 – 85 d
Peoria's 322-day season leaves this much room.
Broccoli on Peoria'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
JAN 27
DEC 15
Common questions
When will broccoli be ready to harvest in Peoria?
Expect to harvest from around late February (Feb 26–Mar 23) in Peoria, based on its local frost dates. Confidence 78%.
When should I start broccoli seeds indoors in Peoria?
Start seeds indoors around mid December (Dec 16–Jan 6) in Peoria, based on its local frost dates. Confidence 83%.
When can I transplant broccoli outdoors in Peoria?
Transplant outdoors around late December (Dec 28–Jan 18) in Peoria, based on its local frost dates. Confidence 84%.
Can I plant broccoli in autumn in Peoria?
Yes — Peoria supports a second, autumn sowing of broccoli around late August (Aug 31–Sep 14), timed to mature before the first fall frost.
How long is the growing season in Peoria?
Peoria has roughly 322 frost-free days, which is enough time to grow broccoli to maturity outdoors.
The rule of thumb
Sow broccoli as soon as the soil is workable — it tolerates cool weather and light frost. Every date on this page is derived from that rule and Peoria's frost dates.
Confidence 87/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.