When to plant peas in Glasgow
Peas is cold-hardy, so every date keys off Glasgow's frost dates of May 5.
Step 1 · Sow
Direct sow outdoors
Mar 31 – Apr 21
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
May 25 – Jun 9
Picking runs until conditions turn against the crop.
Window
Days to maturity
55 – 70 d
Glasgow's 163-day season leaves this much room.
Peas on Glasgow'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 5
OCT 15
Common questions
When can I sow peas outdoors in Glasgow?
Direct-sow around late March (Mar 31–Apr 21) in Glasgow, based on its local frost dates. Confidence 70%.
When will peas be ready to harvest in Glasgow?
Expect to harvest from around late May (May 25–Jun 9) in Glasgow, based on its local frost dates. Confidence 63%.
How long is the growing season in Glasgow?
Glasgow has roughly 163 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 Glasgow's frost dates.
Confidence 70/100 · NASA POWER (modeled) · 1991–2020 · frost dates are probabilities, not guarantees.