When to plant garlic in Osaka
Garlic is cold-hardy, so every date keys off Osaka's frost dates of Apr 10.
Step 1 · Sow
Direct sow outdoors
Oct 25 – Nov 15
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jun 22 – Jun 22
Picking runs until conditions turn against the crop.
Window
Days to maturity
240 d
Osaka's 228-day season leaves this much room.
Garlic 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 garlic outdoors in Osaka?
Direct-sow around late October (Oct 25–Nov 15) in Osaka, based on its local frost dates. Confidence 45%.
When will garlic be ready to harvest in Osaka?
Expect to harvest from around late June (Jun 22–Jun 22) in Osaka, based on its local frost dates. Confidence 40%.
How long is the growing season in Osaka?
Osaka has roughly 228 frost-free days, which is marginal time to grow garlic to maturity outdoors.
The rule of thumb
Sow garlic 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.