When to plant lettuce in Sydney
Lettuce is cold-hardy, so every date keys off Sydney's frost dates of Jul 25.
Step 1 · Sow
Start seeds indoors
Jun 27 – Jul 18
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
Aug 18 – Sep 2
Picking runs until conditions turn against the crop.
Window
Days to maturity
45 – 60 d
Sydney's 345-day season leaves this much room.
Lettuce 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 can I sow lettuce outdoors in Sydney?
Direct-sow around late June (Jun 27–Jul 18) in Sydney, based on its local frost dates. Confidence 84%.
When will lettuce be ready to harvest in Sydney?
Expect to harvest from around mid August (Aug 18–Sep 2) in Sydney, based on its local frost dates. Confidence 76%.
When should I start lettuce seeds indoors in Sydney?
Start seeds indoors around late June (Jun 27–Jul 18) in Sydney, based on its local frost dates. Confidence 80%.
When can I transplant lettuce 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 lettuce to maturity outdoors.
The rule of thumb
Sow lettuce 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.