What minimum night temperature signals the need to protect *Z. officinale* by bringing it indoors?

Answer

Below $50^ extrm{o}$F

Gardeners in colder USDA zones must bring *Zingiber officinale* indoors if night temperatures are projected to dip below $50^ extrm{o}$F.

What minimum night temperature signals the need to protect *Z. officinale* by bringing it indoors?

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