When to plant peas in Osaka
Peas is cold-hardy, so every date keys off Osaka's frost dates of Apr 10.
Step 1 · Sow
Direct sow outdoors
Mar 8 – Mar 29
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
May 2 – May 17
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Aug 23 – Sep 6
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Oct 24 – Nov 8
Maturity window for the second sowing.
Window
Days to maturity
55 – 70 d
Osaka's 228-day season leaves this much room.
Peas on Osaka'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 22
Common questions
When can I sow peas outdoors in Osaka?
Direct-sow around early March (Mar 8–Mar 29) in Osaka, based on its local frost dates. Confidence 44%.
When will peas be ready to harvest in Osaka?
Expect to harvest from around early May (May 2–May 17) in Osaka, based on its local frost dates. Confidence 40%.
Can I plant peas in autumn in Osaka?
Yes — Osaka supports a second, autumn sowing of peas around late August (Aug 23–Sep 6), timed to mature before the first fall frost.
How long is the growing season in Osaka?
Osaka has roughly 228 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 Osaka's frost dates.
Confidence 45/100 · Curated · based on NASA POWER (modeled) 1991–2020 · frost dates are probabilities, not guarantees.