When to plant shiso in Hobart
Honest answer: shiso is a poor fit for Hobart. Shiso 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
Wait for frost to clear (around October in Melbourne). Start seed indoors four weeks earlier for an earlier crop.
Frost matters here: the last frost around Hobart typically falls in October, with the first returning around April. Shiso is frost-sensitive, so keep it inside that frost-free run.
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Can you grow shiso in Hobart?
Hobart's cool temperate climate makes shiso a poor fit: Shiso is frost-sensitive and your climate has frost months that block the growing window.