When to plant cabbage in Birmingham

Cabbage is cold-hardy, so every date keys off Birmingham's frost dates of Mar 27.
Step 1 · Sow
Start seeds indoors
Feb 13 – Mar 6
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Mar 6 – Mar 27
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
May 15 – Jun 14
Picking runs until conditions turn against the crop.
Step 4 · Second sowing
Autumn / second sowing
Jul 13 – Jul 27
A second window for a fall crop, timed to mature before the first frost.
Step 5 · Second harvest
Autumn crop harvest
Sep 28 – Oct 28
Maturity window for the second sowing.
Window
Days to maturity
70 – 100 d
Birmingham's 229-day season leaves this much room.
Cabbage on Birmingham'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
MAR 27
NOV 11

Common questions

When will cabbage be ready to harvest in Birmingham?

Expect to harvest from around mid May (May 15–Jun 14) in Birmingham, based on its local frost dates. Confidence 80%.

When should I start cabbage seeds indoors in Birmingham?

Start seeds indoors around mid February (Feb 13–Mar 6) in Birmingham, based on its local frost dates. Confidence 85%.

When can I transplant cabbage outdoors in Birmingham?

Transplant outdoors around early March (Mar 6–Mar 27) in Birmingham, based on its local frost dates. Confidence 89%.

Can I plant cabbage in autumn in Birmingham?

Yes — Birmingham supports a second, autumn sowing of cabbage around mid July (Jul 13–Jul 27), timed to mature before the first fall frost.

How long is the growing season in Birmingham?

Birmingham has roughly 229 frost-free days, which is enough time to grow cabbage to maturity outdoors.

The rule of thumb

Sow cabbage 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 Birmingham's frost dates.

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