When to plant spring onion in Perth
Perth sits in Australia's temperate zone. Computed from Perth's Bureau of Meteorology climate averages, here is the spring onion window:
Sow
March – December
Transplant
—
Harvest
~2 months after sowing
Temperate zone tip
Spring onions in Sydney are year-round with succession plantings every 6–8 weeks.
Frost matters here: the last frost around Perth typically falls in September, with the first returning around May.
Gardening near Perth?
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Open your calendar →Frequently asked questions
When can I plant spring onion in Perth?
In Perth (temperate zone), sow seed March – December. Expect to harvest roughly 2 months after sowing.
Can you grow spring onion in Perth?
Yes — spring onion grows well around Perth when planted in its window. Spring onions in Sydney are year-round with succession plantings every 6–8 weeks.