When to plant broccoli in Strasbourg

Broccoli is cold-hardy, so every date keys off Strasbourg's frost dates of Apr 9.
Step 1 · Sow
Start seeds indoors
Feb 26 – Mar 19
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Mar 26 – Apr 16
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
May 25 – Jun 19
Picking runs until conditions turn against the crop.
Step 4 · Second sowing
Autumn / second sowing
Jul 16 – Jul 30
A second window for a fall crop, timed to mature before the first frost.
Step 5 · Second harvest
Autumn crop harvest
Sep 21 – Oct 16
Maturity window for the second sowing.
Window
Days to maturity
60 – 85 d
Strasbourg's 206-day season leaves this much room.
Broccoli 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 9
OCT 30

Common questions

When will broccoli be ready to harvest in Strasbourg?

Expect to harvest from around late May (May 25–Jun 19) in Strasbourg, based on its local frost dates. Confidence 80%.

When should I start broccoli seeds indoors in Strasbourg?

Start seeds indoors around late February (Feb 26–Mar 19) in Strasbourg, based on its local frost dates. Confidence 85%.

When can I transplant broccoli outdoors in Strasbourg?

Transplant outdoors around late March (Mar 26–Apr 16) in Strasbourg, based on its local frost dates. Confidence 89%.

Can I plant broccoli in autumn in Strasbourg?

Yes — Strasbourg supports a second, autumn sowing of broccoli around mid July (Jul 16–Jul 30), timed to mature before the first fall frost.

How long is the growing season in Strasbourg?

Strasbourg has roughly 206 frost-free days, which is enough time to grow broccoli to maturity outdoors.

The rule of thumb

Sow broccoli 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 Strasbourg's frost dates.

Confidence 89/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.