When to plant leek in Canberra
Leek is cold-hardy, so every date keys off Canberra's frost dates of Oct 20.
Step 1 · Sow
Start seeds indoors
Aug 11 – Sep 1
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Oct 6 – Oct 27
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Jan 14 – Feb 3
Picking runs until conditions turn against the crop.
Window
Days to maturity
100 – 120 d
Canberra's 182-day season leaves this much room.
Leek on Canberra'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
OCT 20
APR 20
Common questions
When will leek be ready to harvest in Canberra?
Expect to harvest from around mid January (Jan 14–Feb 3) in Canberra, based on its local frost dates. Confidence 74%.
When should I start leek seeds indoors in Canberra?
Start seeds indoors around mid August (Aug 11–Sep 1) in Canberra, based on its local frost dates. Confidence 78%.
When can I transplant leek outdoors in Canberra?
Transplant outdoors around early October (Oct 6–Oct 27) in Canberra, based on its local frost dates. Confidence 82%.
How long is the growing season in Canberra?
Canberra has roughly 182 frost-free days, which is enough time to grow leek to maturity outdoors.
The rule of thumb
Sow leek 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 Canberra's frost dates.
Confidence 82/100 · NOAA GHCN-Daily · 1991–2020 normals · frost dates are probabilities, not guarantees.