When to plant sweet potato in Kyoto
Sweet potato is frost-tender, so every date keys off Kyoto's last spring frost of Apr 1.
Step 1 · Plant
Transplant outdoors
Apr 22 – May 13
Once frost risk has passed and nights stay mild.
Step 2 · Harvest
Harvest window
Jul 21 – Aug 20
Picking runs until conditions turn against the crop.
Window
Days to maturity
90 – 120 d
Kyoto's 241-day season leaves this much room.
Sweet potato on Kyoto'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 1
NOV 28
Common questions
When will sweet potato be ready to harvest in Kyoto?
Expect to harvest from around late July (Jul 21–Aug 20) in Kyoto, based on its local frost dates. Confidence 74%.
When can I transplant sweet potato outdoors in Kyoto?
Transplant outdoors around late April (Apr 22–May 13) in Kyoto, based on its local frost dates. Confidence 82%.
How long is the growing season in Kyoto?
Kyoto has roughly 241 frost-free days, which is enough time to grow sweet potato to maturity outdoors.
The rule of thumb
Sow sweet potato 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 Kyoto's frost dates.
Confidence 82/100 · NOAA GHCN-Daily · 1991–2020 normals · frost dates are probabilities, not guarantees.