When to plant beet in Tokyo
Beet is cold-hardy, so every date keys off Tokyo's frost dates of Mar 28.
Step 1 · Sow
Direct sow outdoors
Mar 7 – Mar 28
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Apr 26 – May 16
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Sep 3 – Sep 17
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Oct 30 – Nov 19
Maturity window for the second sowing.
Window
Days to maturity
50 – 70 d
Tokyo's 258-day season leaves this much room.
Beet on Tokyo'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 28
DEC 11
Common questions
When can I sow beet outdoors in Tokyo?
Direct-sow around early March (Mar 7–Mar 28) in Tokyo, based on its local frost dates. Confidence 45%.
When will beet be ready to harvest in Tokyo?
Expect to harvest from around late April (Apr 26–May 16) in Tokyo, based on its local frost dates. Confidence 40%.
Can I plant beet in autumn in Tokyo?
Yes — Tokyo supports a second, autumn sowing of beet around early September (Sep 3–Sep 17), timed to mature before the first fall frost.
How long is the growing season in Tokyo?
Tokyo has roughly 258 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 Tokyo's frost dates.
Confidence 45/100 · Curated · based on NASA POWER (modeled) 1991–2020 · frost dates are probabilities, not guarantees.