When to plant bush (snap) bean in Lyon
Bush (snap) bean is frost-tender, so every date keys off Lyon's last spring frost of Apr 15.
Step 1 · Sow
Direct sow outdoors
Apr 22 – May 13
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jun 11 – Jun 21
Picking runs until conditions turn against the crop.
Window
Days to maturity
50 – 60 d
Lyon's 193-day season leaves this much room.
Bush (snap) bean on Lyon'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 15
OCT 25
Common questions
When can I sow bush (snap) bean outdoors in Lyon?
Direct-sow around late April (Apr 22–May 13) in Lyon, based on its local frost dates. Confidence 86%.
When will bush (snap) bean be ready to harvest in Lyon?
Expect to harvest from around mid June (Jun 11–Jun 21) in Lyon, based on its local frost dates. Confidence 77%.
How long is the growing season in Lyon?
Lyon has roughly 193 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 Lyon's frost dates.
Confidence 86/100 · NOAA GHCN-Daily · 1991–2020 normals · frost dates are probabilities, not guarantees.