When to plant melon (cantaloupe/watermelon) in Strasbourg

Melon (cantaloupe/watermelon) is frost-tender, so every date keys off Strasbourg's last spring frost of Apr 25.
Step 1 · Sow
Start seeds indoors
Apr 4 – Apr 25
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
May 9 – May 30
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Jul 23 – Aug 17
Picking runs until conditions turn against the crop.
Window
Days to maturity
75 – 100 d
Strasbourg's 172-day season leaves this much room.
Melon (cantaloupe/watermelon) on Strasbourg'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
APR 25
OCT 14

Common questions

When can I sow melon (cantaloupe/watermelon) outdoors in Strasbourg?

Direct-sow around early May (May 9–May 30) in Strasbourg, based on its local frost dates. Confidence 70%.

When will melon (cantaloupe/watermelon) be ready to harvest in Strasbourg?

Expect to harvest from around late July (Jul 23–Aug 17) in Strasbourg, based on its local frost dates. Confidence 63%.

When should I start melon (cantaloupe/watermelon) seeds indoors in Strasbourg?

Start seeds indoors around early April (Apr 4–Apr 25) in Strasbourg, based on its local frost dates. Confidence 67%.

When can I transplant melon (cantaloupe/watermelon) outdoors in Strasbourg?

Transplant outdoors around early May (May 9–May 30) in Strasbourg, based on its local frost dates. Confidence 70%.

How long is the growing season in Strasbourg?

Strasbourg has roughly 172 frost-free days, which is enough time to grow melon (cantaloupe/watermelon) to maturity outdoors.

The rule of thumb

Sow melon (cantaloupe/watermelon) 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 Strasbourg's frost dates.

Confidence 70/100 · NASA POWER (modeled) · 1991–2020 · frost dates are probabilities, not guarantees.