When to plant radish in Winnipeg
Radish is cold-hardy, so every date keys off Winnipeg's frost dates of May 25.
Step 1 · Sow
Direct sow outdoors
Apr 27 – May 18
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
May 22 – May 27
Picking runs until conditions turn against the crop.
Window
Days to maturity
25 – 30 d
Winnipeg's 118-day season leaves this much room.
Radish 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 25
SEP 20
Common questions
When can I sow radish outdoors in Winnipeg?
Direct-sow around late April (Apr 27–May 18) in Winnipeg, based on its local frost dates. Confidence 72%.
When will radish be ready to harvest in Winnipeg?
Expect to harvest from around late May (May 22–May 27) in Winnipeg, based on its local frost dates. Confidence 65%.
How long is the growing season in Winnipeg?
Winnipeg has roughly 118 frost-free days, which is enough time to grow radish to maturity outdoors.
The rule of thumb
Sow radish 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 72/100 · NASA POWER (modeled) · 1991–2020 · frost dates are probabilities, not guarantees.