When to plant potato in Lyon
Potato is cold-hardy, so every date keys off Lyon's frost dates of Apr 15.
Step 1 · Sow
Direct sow outdoors
Apr 1 – Apr 22
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jun 10 – Jul 30
Picking runs until conditions turn against the crop.
Window
Days to maturity
70 – 120 d
Lyon's 193-day season leaves this much room.
Potato on Lyon'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
HARVEST
APR 15
OCT 25
Common questions
When can I sow potato outdoors in Lyon?
Direct-sow around early April (Apr 1–Apr 22) in Lyon, based on its local frost dates. Confidence 86%.
When will potato be ready to harvest in Lyon?
Expect to harvest from around early June (Jun 10–Jul 30) in Lyon, based on its local frost dates. Confidence 77%.
How long is the growing season in Lyon?
Lyon has roughly 193 frost-free days, which is enough time to grow potato to maturity outdoors.
The rule of thumb
Sow potato 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 Lyon's frost dates.
Confidence 86/100 · NOAA GHCN-Daily · 1991–2020 normals · frost dates are probabilities, not guarantees.