When to plant carrot in Birmingham
Carrot is cold-hardy, so every date keys off Birmingham's frost dates of Mar 27.
Step 1 · Sow
Direct sow outdoors
Mar 6 – Mar 27
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
May 5 – May 25
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Jul 23 – Aug 6
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Sep 28 – Oct 18
Maturity window for the second sowing.
Window
Days to maturity
60 – 80 d
Birmingham's 229-day season leaves this much room.
Carrot 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
FROST
FROST
MAR 27
NOV 11
Common questions
When can I sow carrot outdoors in Birmingham?
Direct-sow around early March (Mar 6–Mar 27) in Birmingham, based on its local frost dates. Confidence 89%.
When will carrot be ready to harvest in Birmingham?
Expect to harvest from around early May (May 5–May 25) in Birmingham, based on its local frost dates. Confidence 80%.
Can I plant carrot in autumn in Birmingham?
Yes — Birmingham supports a second, autumn sowing of carrot around late July (Jul 23–Aug 6), 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 carrot to maturity outdoors.
The rule of thumb
Sow carrot 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.