When to plant beet in Osaka
Beet is cold-hardy, so every date keys off Osaka's frost dates of Apr 10.
Step 1 · Sow
Direct sow outdoors
Mar 27 – Apr 17
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
May 16 – Jun 5
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Aug 16 – Aug 30
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Oct 12 – Nov 1
Maturity window for the second sowing.
Window
Days to maturity
50 – 70 d
Osaka's 228-day season leaves this much room.
Beet 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 beet outdoors in Osaka?
Direct-sow around late March (Mar 27–Apr 17) in Osaka, based on its local frost dates. Confidence 44%.
When will beet be ready to harvest in Osaka?
Expect to harvest from around mid May (May 16–Jun 5) in Osaka, based on its local frost dates. Confidence 40%.
Can I plant beet in autumn in Osaka?
Yes — Osaka supports a second, autumn sowing of beet around mid August (Aug 16–Aug 30), 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 beet to maturity outdoors.
The rule of thumb
Sow beet 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.