When to plant onion in Sydney
Sydney sits in Australia's temperate zone. Computed from Sydney's Bureau of Meteorology climate averages, here is the onion window:
Sow
June – August
Transplant
—
Harvest
November – January
Temperate zone tip
Sydney and Perth grow intermediate-day onions like Pukekohe and Hunter River Brown. Plant March to July.
Sydney is essentially frost-free, which gives onion plenty of flexibility either side of the ideal window.
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Open your calendar →Frequently asked questions
When can I plant onion in Sydney?
In Sydney (temperate zone), sow seed June – August. Harvest typically runs November – January.
Can you grow onion in Sydney?
Yes — onion grows well around Sydney when planted in its window. Sydney and Perth grow intermediate-day onions like Pukekohe and Hunter River Brown. Plant March to July.