When to plant tomato in Sydney
Tomato is frost-tender, so every date keys off Sydney's last spring frost 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
Aug 1 – Aug 22
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Sep 30 – Oct 25
Picking runs until conditions turn against the crop.
Window
Days to maturity
60 – 85 d
Sydney's 345-day season leaves this much room.
Tomato 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 tomato be ready to harvest in Sydney?
Expect to harvest from around late September (Sep 30–Oct 25) in Sydney, based on its local frost dates. Confidence 76%.
When should I start tomato 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 tomato outdoors in Sydney?
Transplant outdoors around early August (Aug 1–Aug 22) 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 tomato to maturity outdoors.
The rule of thumb
Sow tomato 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 Sydney's frost dates.
Confidence 84/100 · NOAA GHCN-Daily · 1991–2020 normals · frost dates are probabilities, not guarantees.