When to plant watermelon in Melbourne
Honest answer: watermelon is a poor fit for Melbourne. Watermelon is frost-sensitive and your climate has frost months that block the growing window. If you're set on trying, treat it as an experiment — a sheltered microclimate or pots you can move may stretch the rules.
Cool temperate zone tip
Start seed indoors and grow small, fast varieties (Sugar Baby, Mini Love) on a warm north-facing bed in Melbourne.
Frost matters here: the last frost around Melbourne typically falls in September, with the first returning around May. Watermelon is frost-sensitive, so keep it inside that frost-free run.
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Can you grow watermelon in Melbourne?
Melbourne's cool temperate climate makes watermelon a poor fit: Watermelon is frost-sensitive and your climate has frost months that block the growing window.