When to plant sweet corn in Halifax
Sweet corn is frost-tender, so every date keys off Halifax's last spring frost of May 13.
Step 1 · Sow
Direct sow outdoors
Jun 28 – Jul 19
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Aug 27 – Oct 6
Picking runs until conditions turn against the crop.
Window
Days to maturity
60 – 100 d
Halifax's 158-day season leaves this much room.
Sweet corn 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
HARVEST
MAY 13
OCT 20
Common questions
When can I sow sweet corn outdoors in Halifax?
Direct-sow around late June (Jun 28–Jul 19) in Halifax, based on its local frost dates. Confidence 76%.
When will sweet corn be ready to harvest in Halifax?
Expect to harvest from around late August (Aug 27–Oct 6) in Halifax, based on its local frost dates. Confidence 70%.
How long is the growing season in Halifax?
Halifax has roughly 158 frost-free days, which is enough time to grow sweet corn to maturity outdoors.
The rule of thumb
Sow sweet corn 6–8 weeks before your last spring frost; plant out 2–3 weeks after it. 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.