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 Mar 26.
Step 1 · Sow
Direct sow outdoors
May 21 – Jun 11
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jul 10 – Jul 20
Picking runs until conditions turn against the crop.
Window
Days to maturity
50 – 60 d
Lyon's 232-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
MAR 26
NOV 16
Common questions
When can I sow bush (snap) bean outdoors in Lyon?
Direct-sow around late May (May 21–Jun 11) in Lyon, based on its local frost dates. Confidence 84%.
When will bush (snap) bean be ready to harvest in Lyon?
Expect to harvest from around early July (Jul 10–Jul 20) in Lyon, based on its local frost dates. Confidence 78%.
How long is the growing season in Lyon?
Lyon has roughly 232 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 87/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.