When to plant cilantro / coriander in Toronto
Cilantro / Coriander is cold-hardy, so every date keys off Toronto's frost dates of May 9.
Step 1 · Sow
Direct sow outdoors
Apr 25 – May 16
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jun 9 – Jul 4
Picking runs until conditions turn against the crop.
Window
Days to maturity
45 – 70 d
Toronto's 150-day season leaves this much room.
Cilantro / Coriander on Toronto'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 9
OCT 6
Common questions
When can I sow cilantro / coriander outdoors in Toronto?
Direct-sow around late April (Apr 25–May 16) in Toronto, based on its local frost dates. Confidence 88%.
When will cilantro / coriander be ready to harvest in Toronto?
Expect to harvest from around early June (Jun 9–Jul 4) in Toronto, based on its local frost dates. Confidence 79%.
How long is the growing season in Toronto?
Toronto has roughly 150 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 Toronto's frost dates.
Confidence 88/100 · NOAA GHCN-Daily · 1991–2020 normals · frost dates are probabilities, not guarantees.