When to plant carrot in New Haven
Carrot is cold-hardy, so every date keys off New Haven's frost dates of Apr 19.
Step 1 · Sow
Direct sow outdoors
Apr 9 – Apr 30
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jun 8 – Jun 28
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Jun 26 – Jul 10
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Sep 1 – Sep 21
Maturity window for the second sowing.
Window
Days to maturity
60 – 80 d
New Haven's 184-day season leaves this much room.
Carrot on New Haven'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 19
OCT 19
Common questions
When can I sow carrot outdoors in New Haven?
Direct-sow around early April (Apr 9–Apr 30) in New Haven, based on its local frost dates. Confidence 81%.
When will carrot be ready to harvest in New Haven?
Expect to harvest from around early June (Jun 8–Jun 28) in New Haven, based on its local frost dates. Confidence 75%.
Can I plant carrot in autumn in New Haven?
Yes — New Haven supports a second, autumn sowing of carrot around late June (Jun 26–Jul 10), timed to mature before the first fall frost.
How long is the growing season in New Haven?
New Haven has roughly 184 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 New Haven's frost dates.
Confidence 83/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.