When to plant kale in Berlin

Kale is cold-hardy, so every date keys off Berlin's frost dates of Apr 8.
Step 1 · Sow
Start seeds indoors
Feb 25 – Mar 18
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Mar 19 – Apr 9
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
May 13 – Jun 2
Picking runs until conditions turn against the crop.
Step 4 · Second sowing
Autumn / second sowing
Jul 29 – Aug 12
A second window for a fall crop, timed to mature before the first frost.
Step 5 · Second harvest
Autumn crop harvest
Sep 29 – Oct 19
Maturity window for the second sowing.
Window
Days to maturity
55 – 75 d
Berlin's 210-day season leaves this much room.
Kale on Berlin'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 8
NOV 2

Common questions

When can I sow kale outdoors in Berlin?

Direct-sow around mid March (Mar 19–Apr 9) in Berlin, based on its local frost dates. Confidence 86%.

When will kale be ready to harvest in Berlin?

Expect to harvest from around mid May (May 13–Jun 2) in Berlin, based on its local frost dates. Confidence 80%.

When should I start kale seeds indoors in Berlin?

Start seeds indoors around late February (Feb 25–Mar 18) in Berlin, based on its local frost dates. Confidence 85%.

When can I transplant kale outdoors in Berlin?

Transplant outdoors around mid March (Mar 19–Apr 9) in Berlin, based on its local frost dates. Confidence 86%.

Can I plant kale in autumn in Berlin?

Yes — Berlin supports a second, autumn sowing of kale around late July (Jul 29–Aug 12), timed to mature before the first fall frost.

How long is the growing season in Berlin?

Berlin has roughly 210 frost-free days, which is enough time to grow kale to maturity outdoors.

The rule of thumb

Sow kale 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 Berlin's frost dates.

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