When to plant cilantro / coriander in Winnipeg
Cilantro / Coriander is cold-hardy, so every date keys off Winnipeg's frost dates of May 8.
Step 1 · Sow
Direct sow outdoors
Apr 30 – May 21
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jun 14 – Jul 9
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Jun 29 – Jul 13
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Aug 20 – Sep 14
Maturity window for the second sowing.
Window
Days to maturity
45 – 70 d
Winnipeg's 154-day season leaves this much room.
Cilantro / Coriander on Winnipeg'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 8
OCT 10
Common questions
When can I sow cilantro / coriander outdoors in Winnipeg?
Direct-sow around late April (Apr 30–May 21) in Winnipeg, based on its local frost dates. Confidence 81%.
When will cilantro / coriander be ready to harvest in Winnipeg?
Expect to harvest from around mid June (Jun 14–Jul 9) in Winnipeg, based on its local frost dates. Confidence 76%.
Can I plant cilantro / coriander in autumn in Winnipeg?
Yes — Winnipeg supports a second, autumn sowing of cilantro / coriander around late June (Jun 29–Jul 13), timed to mature before the first fall frost.
How long is the growing season in Winnipeg?
Winnipeg has roughly 154 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 Winnipeg's frost dates.
Confidence 84/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.