When to plant peas in Boise
Peas is cold-hardy, so every date keys off Boise's frost dates of May 2.
Step 1 · Sow
Direct sow outdoors
Mar 28 – Apr 18
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
May 22 – Jun 6
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Jul 18 – Aug 1
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Sep 18 – Oct 3
Maturity window for the second sowing.
Window
Days to maturity
55 – 70 d
Boise's 168-day season leaves this much room.
Peas on Boise'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 2
OCT 17
Common questions
When can I sow peas outdoors in Boise?
Direct-sow around late March (Mar 28–Apr 18) in Boise, based on its local frost dates. Confidence 89%.
When will peas be ready to harvest in Boise?
Expect to harvest from around late May (May 22–Jun 6) in Boise, based on its local frost dates. Confidence 80%.
Can I plant peas in autumn in Boise?
Yes — Boise supports a second, autumn sowing of peas around mid July (Jul 18–Aug 1), timed to mature before the first fall frost.
How long is the growing season in Boise?
Boise has roughly 168 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 Boise's frost dates.
Confidence 89/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.