When to plant cabbage in Sydney
Cabbage is cold-hardy, so every date keys off Sydney's frost dates of Jul 25.
Step 1 · Sow
Start seeds indoors
Jun 13 – Jul 4
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Jul 4 – Jul 25
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Sep 12 – Oct 12
Picking runs until conditions turn against the crop.
Window
Days to maturity
70 – 100 d
Sydney's 345-day season leaves this much room.
Cabbage on Sydney'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
JUL 25
JUL 5
Common questions
When will cabbage be ready to harvest in Sydney?
Expect to harvest from around mid September (Sep 12–Oct 12) in Sydney, based on its local frost dates. Confidence 76%.
When should I start cabbage seeds indoors in Sydney?
Start seeds indoors around mid June (Jun 13–Jul 4) in Sydney, based on its local frost dates. Confidence 80%.
When can I transplant cabbage outdoors in Sydney?
Transplant outdoors around early July (Jul 4–Jul 25) in Sydney, based on its local frost dates. Confidence 84%.
How long is the growing season in Sydney?
Sydney has roughly 345 frost-free days, which is enough time to grow cabbage to maturity outdoors.
The rule of thumb
Sow cabbage 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 Sydney's frost dates.
Confidence 84/100 · NOAA GHCN-Daily · 1991–2020 normals · frost dates are probabilities, not guarantees.