When to plant tomato in Marseille
Tomato is frost-tender, so every date keys off Marseille's last spring frost of Mar 15.
Step 1 · Sow
Start seeds indoors
Feb 1 – Feb 22
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Mar 22 – Apr 12
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
May 21 – Jun 15
Picking runs until conditions turn against the crop.
Window
Days to maturity
60 – 85 d
Marseille's 261-day season leaves this much room.
Tomato 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
FROST
MAR 15
DEC 1
Common questions
When will tomato be ready to harvest in Marseille?
Expect to harvest from around late May (May 21–Jun 15) in Marseille, based on its local frost dates. Confidence 76%.
When should I start tomato seeds indoors in Marseille?
Start seeds indoors around early February (Feb 1–Feb 22) in Marseille, based on its local frost dates. Confidence 80%.
When can I transplant tomato outdoors in Marseille?
Transplant outdoors around late March (Mar 22–Apr 12) in Marseille, based on its local frost dates. Confidence 84%.
How long is the growing season in Marseille?
Marseille has roughly 261 frost-free days, which is enough time to grow tomato to maturity outdoors.
The rule of thumb
Sow tomato 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 84/100 · NOAA GHCN-Daily · 1991–2020 normals · frost dates are probabilities, not guarantees.