When to plant peas in Detroit
Peas is cold-hardy, so every date keys off Detroit's frost dates of Apr 15.
Step 1 · Sow
Direct sow outdoors
Apr 5 – Apr 26
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
May 30 – Jun 14
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Aug 1 – Aug 15
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Oct 2 – Oct 17
Maturity window for the second sowing.
Window
Days to maturity
55 – 70 d
Detroit's 194-day season leaves this much room.
Peas on Detroit'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 15
OCT 31
Common questions
When can I sow peas outdoors in Detroit?
Direct-sow around early April (Apr 5–Apr 26) in Detroit, based on its local frost dates. Confidence 85%.
When will peas be ready to harvest in Detroit?
Expect to harvest from around late May (May 30–Jun 14) in Detroit, based on its local frost dates. Confidence 79%.
Can I plant peas in autumn in Detroit?
Yes — Detroit supports a second, autumn sowing of peas around early August (Aug 1–Aug 15), timed to mature before the first fall frost.
How long is the growing season in Detroit?
Detroit has roughly 194 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 Detroit's frost dates.
Confidence 88/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.