When to plant carrot in Detroit
Carrot is cold-hardy, so every date keys off Detroit's frost dates of Apr 15.
Step 1 · Sow
Direct sow outdoors
Apr 11 – May 2
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jun 10 – Jun 30
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Jul 10 – Jul 24
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Sep 15 – Oct 5
Maturity window for the second sowing.
Window
Days to maturity
60 – 80 d
Detroit's 194-day season leaves this much room.
Carrot on Detroit'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
APR 15
OCT 31
Common questions
When can I sow carrot outdoors in Detroit?
Direct-sow around mid April (Apr 11–May 2) in Detroit, based on its local frost dates. Confidence 85%.
When will carrot be ready to harvest in Detroit?
Expect to harvest from around early June (Jun 10–Jun 30) in Detroit, based on its local frost dates. Confidence 79%.
Can I plant carrot in autumn in Detroit?
Yes — Detroit supports a second, autumn sowing of carrot around early July (Jul 10–Jul 24), timed to mature before the first fall frost.
How long is the growing season in Detroit?
Detroit has roughly 194 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 Detroit's frost dates.
Confidence 88/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.