When to plant cucumber in Perth
Cucumber is frost-tender, so every date keys off Perth's last spring frost.
Step 1 · Sow
Direct sow outdoors
Sep 19 – Oct 10
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Nov 8 – Nov 28
Picking runs until conditions turn against the crop.
Window
Days to maturity
50 – 70 d
From sowing to first pick.
Common questions
When can I sow cucumber outdoors in Perth?
Direct-sow around mid September (Sep 19–Oct 10) in Perth, based on its local frost dates. Confidence 80%.
When will cucumber be ready to harvest in Perth?
Expect to harvest from around early November (Nov 8–Nov 28) in Perth, based on its local frost dates. Confidence 74%.
How long is the growing season in Perth?
Perth has roughly 365 frost-free days, which is enough time to grow cucumber to maturity outdoors.
The rule of thumb
Sow cucumber 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 82/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.