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Hibiscus [2] [3] is a genus of flowering plants in the mallow family, Malvaceae. The genus is quite large, comprising several hundred species that are native to warm temperate , subtropical and tropical regions throughout the world.
The ones that survive the winter can go back outdoors next spring when nighttime temperatures are in the 50s or warmer. Ahead, our step-by-step guide on how to bring your outdoor plants indoors ...
Tender plants are those killed by freezing temperatures, while hardy plants survive freezing—at least down to certain temperatures, depending on the plant. "Half-hardy" is a term used sometimes in horticulture to describe bedding plants which are sown in heat in winter or early spring, and planted outside after all danger of frost has passed.
Hibiscus × rosa-sinensis is widely grown as an ornamental plant throughout the tropics and subtropics. As it does not tolerate temperatures below 10 °C (50 °F), in temperate regions it is best grown under glass. Plants grown in containers may be placed outside during the summer months and moved into shelter during the winter months. [6] [19]
It is a survival strategy exhibited by many plant species, which enables them to survive in harsh conditions and climates where part of the year is unsuitable for growth, such as winter or dry seasons. Many plant species that exhibit dormancy have a biological clock that tells them when to slow activity and to prepare soft tissues for a period ...
Non-acclimatized individuals can survive −5 °C, while an acclimatized individual in the same species can survive −30 °C. Plants that originated in the tropics, like tomato or maize, don't go through cold hardening and are unable to survive freezing temperatures. [3]