When to plant bush (snap) bean in London
Bush (snap) bean is frost-tender, so every date keys off London's last spring frost of Apr 10.
Step 1 · Sow
Direct sow outdoors
Apr 17 – May 8
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jun 6 – Jun 16
Picking runs until conditions turn against the crop.
Window
Days to maturity
50 – 60 d
London's 209-day season leaves this much room.
Bush (snap) bean on London'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 10
NOV 5
Common questions
When can I sow bush (snap) bean outdoors in London?
Direct-sow around mid April (Apr 17–May 8) in London, based on its local frost dates. Confidence 88%.
When will bush (snap) bean be ready to harvest in London?
Expect to harvest from around early June (Jun 6–Jun 16) in London, based on its local frost dates. Confidence 79%.
How long is the growing season in London?
London has roughly 209 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 London's frost dates.
Confidence 88/100 · NOAA GHCN-Daily · 1991–2020 normals · frost dates are probabilities, not guarantees.