When to plant potato in Lyon
Potato is cold-hardy, so every date keys off Lyon's frost dates of Mar 26.
Step 1 · Sow
Direct sow outdoors
Mar 12 – Apr 2
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
May 21 – Jul 10
Picking runs until conditions turn against the crop.
Window
Days to maturity
70 – 120 d
Lyon's 232-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
MAR 26
NOV 16
Common questions
When can I sow potato outdoors in Lyon?
Direct-sow around mid March (Mar 12–Apr 2) in Lyon, based on its local frost dates. Confidence 87%.
When will potato be ready to harvest in Lyon?
Expect to harvest from around late May (May 21–Jul 10) in Lyon, based on its local frost dates. Confidence 78%.
How long is the growing season in Lyon?
Lyon has roughly 232 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 87/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.