When to plant cilantro / coriander in Madison
Cilantro / Coriander is cold-hardy, so every date keys off Madison's frost dates of May 5.
Step 1 · Sow
Direct sow outdoors
Apr 21 – May 12
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jun 5 – Jun 30
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Jun 23 – Jul 7
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Aug 14 – Sep 8
Maturity window for the second sowing.
Window
Days to maturity
45 – 70 d
Madison's 151-day season leaves this much room.
Cilantro / Coriander on Madison'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 5
OCT 6
Common questions
When can I sow cilantro / coriander outdoors in Madison?
Direct-sow around late April (Apr 21–May 12) in Madison, based on its local frost dates. Confidence 89%.
When will cilantro / coriander be ready to harvest in Madison?
Expect to harvest from around early June (Jun 5–Jun 30) in Madison, based on its local frost dates. Confidence 80%.
Can I plant cilantro / coriander in autumn in Madison?
Yes — Madison supports a second, autumn sowing of cilantro / coriander around late June (Jun 23–Jul 7), timed to mature before the first fall frost.
How long is the growing season in Madison?
Madison has roughly 151 frost-free days, which is enough time to grow cilantro / coriander to maturity outdoors.
The rule of thumb
Sow cilantro / coriander 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 Madison's frost dates.
Confidence 89/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.