When to plant broccoli in Buffalo
Broccoli is cold-hardy, so every date keys off Buffalo's frost dates of Apr 30.
Step 1 · Sow
Start seeds indoors
Mar 19 – Apr 9
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Apr 16 – May 7
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Jun 15 – Jul 10
Picking runs until conditions turn against the crop.
Step 4 · Second sowing
Autumn / second sowing
Jul 3 – Jul 17
A second window for a fall crop, timed to mature before the first frost.
Step 5 · Second harvest
Autumn crop harvest
Sep 8 – Oct 3
Maturity window for the second sowing.
Window
Days to maturity
60 – 85 d
Buffalo's 162-day season leaves this much room.
Broccoli on Buffalo'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 30
OCT 17
Common questions
When will broccoli be ready to harvest in Buffalo?
Expect to harvest from around mid June (Jun 15–Jul 10) in Buffalo, based on its local frost dates. Confidence 76%.
When should I start broccoli seeds indoors in Buffalo?
Start seeds indoors around mid March (Mar 19–Apr 9) in Buffalo, based on its local frost dates. Confidence 81%.
When can I transplant broccoli outdoors in Buffalo?
Transplant outdoors around mid April (Apr 16–May 7) in Buffalo, based on its local frost dates. Confidence 85%.
Can I plant broccoli in autumn in Buffalo?
Yes — Buffalo supports a second, autumn sowing of broccoli around early July (Jul 3–Jul 17), timed to mature before the first fall frost.
How long is the growing season in Buffalo?
Buffalo has roughly 162 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 Buffalo's frost dates.
Confidence 85/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.