When to plant bush (snap) bean in Montreal
Bush (snap) bean is frost-tender, so every date keys off Montreal's last spring frost of May 11.
Step 1 · Sow
Direct sow outdoors
May 18 – Jun 8
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jul 7 – Jul 17
Picking runs until conditions turn against the crop.
Window
Days to maturity
50 – 60 d
Montreal's 142-day season leaves this much room.
Bush (snap) bean on Montreal'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 11
SEP 30
Common questions
When can I sow bush (snap) bean outdoors in Montreal?
Direct-sow around mid May (May 18–Jun 8) in Montreal, based on its local frost dates. Confidence 86%.
When will bush (snap) bean be ready to harvest in Montreal?
Expect to harvest from around early July (Jul 7–Jul 17) in Montreal, based on its local frost dates. Confidence 77%.
How long is the growing season in Montreal?
Montreal has roughly 142 frost-free days, which is enough time to grow bush (snap) bean to maturity outdoors.
The rule of thumb
Sow bush (snap) bean 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 Montreal's frost dates.
Confidence 86/100 · NOAA GHCN-Daily · 1991–2020 normals · frost dates are probabilities, not guarantees.