When to plant eggplant in Perth
Eggplant is frost-tender, so every date keys off Perth's last spring frost of Aug 1.
Step 1 · Sow
Start seeds indoors
Jun 6 – Jun 27
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Aug 15 – Sep 5
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Oct 24 – Nov 8
Picking runs until conditions turn against the crop.
Window
Days to maturity
70 – 85 d
Perth's 343-day season leaves this much room.
Eggplant on Perth'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
AUG 1
JUL 10
Common questions
When will eggplant be ready to harvest in Perth?
Expect to harvest from around late October (Oct 24–Nov 8) in Perth, based on its local frost dates. Confidence 72%.
When should I start eggplant seeds indoors in Perth?
Start seeds indoors around early June (Jun 6–Jun 27) in Perth, based on its local frost dates. Confidence 76%.
When can I transplant eggplant outdoors in Perth?
Transplant outdoors around mid August (Aug 15–Sep 5) in Perth, based on its local frost dates. Confidence 80%.
How long is the growing season in Perth?
Perth has roughly 343 frost-free days, which is enough time to grow eggplant to maturity outdoors.
The rule of thumb
Sow eggplant 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 Perth's frost dates.
Confidence 80/100 · NOAA GHCN-Daily · 1991–2020 normals · frost dates are probabilities, not guarantees.