When to plant kale in Halifax

Kale is cold-hardy, so every date keys off Halifax's frost dates of May 13.
Step 1 · Sow
Start seeds indoors
Apr 1 – Apr 22
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Apr 30 – May 21
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Jun 24 – Jul 14
Picking runs until conditions turn against the crop.
Step 4 · Second sowing
Autumn / second sowing
Jul 16 – Jul 30
A second window for a fall crop, timed to mature before the first frost.
Step 5 · Second harvest
Autumn crop harvest
Sep 16 – Oct 6
Maturity window for the second sowing.
Window
Days to maturity
55 – 75 d
Halifax's 158-day season leaves this much room.
Kale 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
MAY 13
OCT 20

Common questions

When can I sow kale outdoors in Halifax?

Direct-sow around late April (Apr 30–May 21) in Halifax, based on its local frost dates. Confidence 76%.

When will kale be ready to harvest in Halifax?

Expect to harvest from around late June (Jun 24–Jul 14) in Halifax, based on its local frost dates. Confidence 70%.

When should I start kale seeds indoors in Halifax?

Start seeds indoors around early April (Apr 1–Apr 22) in Halifax, based on its local frost dates. Confidence 74%.

When can I transplant kale outdoors in Halifax?

Transplant outdoors around late April (Apr 30–May 21) in Halifax, based on its local frost dates. Confidence 76%.

Can I plant kale in autumn in Halifax?

Yes — Halifax supports a second, autumn sowing of kale around mid July (Jul 16–Jul 30), 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 kale to maturity outdoors.

The rule of thumb

Sow kale 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.