When to plant radish in Halifax
Radish is cold-hardy, so every date keys off Halifax's frost dates of May 13.
Step 1 · Sow
Direct sow outdoors
Apr 30 – May 21
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
May 25 – May 30
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Aug 30 – Sep 13
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Oct 1 – Oct 6
Maturity window for the second sowing.
Window
Days to maturity
25 – 30 d
Halifax's 158-day season leaves this much room.
Radish on Halifax'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 13
OCT 20
Common questions
When can I sow radish outdoors in Halifax?
Direct-sow around late April (Apr 30–May 21) in Halifax, based on its local frost dates. Confidence 76%.
When will radish be ready to harvest in Halifax?
Expect to harvest from around late May (May 25–May 30) in Halifax, based on its local frost dates. Confidence 70%.
Can I plant radish in autumn in Halifax?
Yes — Halifax supports a second, autumn sowing of radish around late August (Aug 30–Sep 13), timed to mature before the first fall frost.
How long is the growing season in Halifax?
Halifax has roughly 158 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 Halifax's frost dates.
Confidence 78/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.