When to plant kale in Perth
Kale is cold-hardy, so every date keys off Perth's frost dates.
Step 1 · Sow
Direct sow outdoors
Jul 10 – Jul 31
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Sep 3 – Sep 23
Picking runs until conditions turn against the crop.
Window
Days to maturity
55 – 75 d
From sowing to first pick.
Common questions
When can I sow kale outdoors in Perth?
Direct-sow around early July (Jul 10–Jul 31) in Perth, based on its local frost dates. Confidence 80%.
When will kale be ready to harvest in Perth?
Expect to harvest from around early September (Sep 3–Sep 23) 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 kale to maturity outdoors.
The rule of thumb
Sow kale 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 Perth's frost dates.
Confidence 82/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.