When to plant sweet corn in Marseille
Sweet corn is frost-tender, so every date keys off Marseille's last spring frost of Feb 22.
Step 1 · Sow
Direct sow outdoors
May 4 – May 25
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jul 3 – Aug 12
Picking runs until conditions turn against the crop.
Window
Days to maturity
60 – 100 d
Marseille's 284-day season leaves this much room.
Sweet corn on Marseille'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
HARVEST
FEB 22
DEC 3
Common questions
When can I sow sweet corn outdoors in Marseille?
Direct-sow around early May (May 4–May 25) in Marseille, based on its local frost dates. Confidence 85%.
When will sweet corn be ready to harvest in Marseille?
Expect to harvest from around early July (Jul 3–Aug 12) in Marseille, based on its local frost dates. Confidence 79%.
How long is the growing season in Marseille?
Marseille has roughly 284 frost-free days, which is enough time to grow sweet corn to maturity outdoors.
The rule of thumb
Sow sweet corn 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 Marseille's frost dates.
Confidence 88/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.