From
Wikipedia:
Quote:
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Malmö, like the rest of southern Sweden, has an oceanic climate. ... Winters are fairly cold, with temperatures steady between −3 to 4 °C (27 to 39 °F), but it rarely drops below −10 °C (14 °F).
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Steady temperatures between −3 to 4 °C will cause soil moisture to freeze and likely kill your plant. I'd consider planting it in a 15 to 25 gallon (55 - 90 liter) pot and bringing it inside under lighting for protection from early Fall to early spring.