When to plant peas in London
Peas is cold-hardy, so every date keys off London's frost dates of Apr 6.
Step 1 · Sow
Direct sow outdoors
Mar 2 – Mar 23
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Apr 26 – May 11
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Aug 17 – Aug 31
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Oct 18 – Nov 2
Maturity window for the second sowing.
Window
Days to maturity
55 – 70 d
London's 234-day season leaves this much room.
Peas 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 6
NOV 16
Common questions
When can I sow peas outdoors in London?
Direct-sow around early March (Mar 2–Mar 23) in London, based on its local frost dates. Confidence 82%.
When will peas be ready to harvest in London?
Expect to harvest from around late April (Apr 26–May 11) in London, based on its local frost dates. Confidence 74%.
Can I plant peas in autumn in London?
Yes — London supports a second, autumn sowing of peas around mid August (Aug 17–Aug 31), timed to mature before the first fall frost.
How long is the growing season in London?
London has roughly 234 frost-free days, which is enough time to grow peas to maturity outdoors.
The rule of thumb
Sow peas 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 London's frost dates.
Confidence 82/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.