When to plant carrot in Denver
Carrot is cold-hardy, so every date keys off Denver's frost dates of May 4.
Step 1 · Sow
Direct sow outdoors
Apr 13 – May 4
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jun 12 – Jul 2
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Jun 16 – Jun 30
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Aug 22 – Sep 11
Maturity window for the second sowing.
Window
Days to maturity
60 – 80 d
Denver's 157-day season leaves this much room.
Carrot on Denver'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
MAY 4
OCT 10
Common questions
When can I sow carrot outdoors in Denver?
Direct-sow around mid April (Apr 13–May 4) in Denver, based on its local frost dates. Confidence 85%.
When will carrot be ready to harvest in Denver?
Expect to harvest from around mid June (Jun 12–Jul 2) in Denver, based on its local frost dates. Confidence 76%.
Can I plant carrot in autumn in Denver?
Yes — Denver supports a second, autumn sowing of carrot around mid June (Jun 16–Jun 30), timed to mature before the first fall frost.
How long is the growing season in Denver?
Denver has roughly 157 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 Denver's frost dates.
Confidence 85/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.