When to plant okra in Osaka
Okra is frost-tender, so every date keys off Osaka's last spring frost of Mar 22.
Step 1 · Sow
Start seeds indoors
Feb 22 – Mar 15
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Sow
Direct sow outdoors
Apr 5 – Apr 26
Sow straight into warm, workable soil.
Step 3 · Harvest
Harvest window
May 25 – Jun 9
Picking runs until conditions turn against the crop.
Window
Days to maturity
50 – 65 d
Osaka's 258-day season leaves this much room.
Okra 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
MAR 22
DEC 5
Common questions
When can I sow okra outdoors in Osaka?
Direct-sow around early April (Apr 5–Apr 26) in Osaka, based on its local frost dates. Confidence 86%.
When will okra be ready to harvest in Osaka?
Expect to harvest from around late May (May 25–Jun 9) in Osaka, based on its local frost dates. Confidence 77%.
When should I start okra seeds indoors in Osaka?
Start seeds indoors around late February (Feb 22–Mar 15) in Osaka, based on its local frost dates. Confidence 82%.
How long is the growing season in Osaka?
Osaka has roughly 258 frost-free days, which is enough time to grow okra to maturity outdoors.
The rule of thumb
Sow okra 6–8 weeks before your last spring frost; plant out 2–3 weeks after it. Every date on this page is derived from that rule and Osaka's frost dates.
Confidence 86/100 · NOAA GHCN-Daily · 1991–2020 normals · frost dates are probabilities, not guarantees.