Hardiness zone

（重定向自Growing zone）

A garden in Simrishamn, southern Sweden.

Differences between 1990 USDA hardiness zones and 2006 arborday.org hardiness zones reflect global warming..

A hardiness zone (a subcategory of vertical zonation) is a geographically defined area in which a specific category of plant life is capable of growing, as defined by climatic conditions, including its ability to withstand the minimum temperatures of the zone (see the scale on the right or the table below). For example, a plant that is described as "hardy to zone 10" means that the plant can withstand a minimum temperature of −1 °C (30 °F). A more resilient plant that is "hardy to zone 9" can tolerate a minimum temperature of −7 °C (19 °F). First developed by the United States Department of Agriculture (USDA), the use of the zones has been adopted by other countries.

单词	Growing zone
释义	Growing zone 原声例句双语版 TED-Ed 演讲精选 Human activity is similarly responsible for growing dead zones around the world. 同样地，人类的活动导致世界各地的死亡区不断扩大。英语百科 Hardiness zone （重定向自Growing zone） A hardiness zone (a subcategory of vertical zonation) is a geographically defined area in which a specific category of plant life is capable of growing, as defined by climatic conditions, including its ability to withstand the minimum temperatures of the zone (see the scale on the right or the table below). For example, a plant that is described as "hardy to zone 10" means that the plant can withstand a minimum temperature of −1 °C (30 °F). A more resilient plant that is "hardy to zone 9" can tolerate a minimum temperature of −7 °C (19 °F). First developed by the United States Department of Agriculture (USDA), the use of the zones has been adopted by other countries.
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