Hibiscus - Knowledgebase Question

North Port, Fl
Question by seamonster3
October 20, 2009
Info on this site said to cover Hibiscus plants with plastic if temps go below 40. I was told not to use plastic as the cold would transfer to the leaves. Is this correct?

Answer from NGA
October 20, 2009


I think the info needs to be corrected! You are right - plastic can cause real problems with plants. I have hibiscus plants that I do not cover when temperatures drop down to freezing. Sometimes the leaves are damaged and sometimes they are not. It depends upon the duration of the freezing temps. A few hours and they will be unscathed; 6 or more hours and they will suffer leaf burn. I simply prune them back if they suffer frost damage and they develop healthy new leaves in about a week. I certainly would never cover them with plastic, but an old sheet or blanket might provide just enough protection to keep the leaves from becoming frost damaged.

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