Hardiness (plants)
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Hardiness of plants describes their ability to survive adverse growing conditions. It is usually limited to discussions of climatic adversity. Thus a plant's ability to tolerate cold, heat, drought, f
Heather, Calluna vulgaris, one of Britain's hardiest plants (North York Moors)
Colobanthus quitensis
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Colobanthus quitensis, also known as the Antarctic pearlwort, is one of two native flowering plants found in the Antarctic region, the other being Antarctic hair grass. It has yellow flowers and grows
Hardiness (plants)
…renders them unable to use these mechanisms. Some plants are able to withstand freezing temperatures year-round, like those living in Antarctica such as Colobanthus quitensis. Various hardiness ratings are published. In the United States (US), the most widely used is the U.S. Department of Agriculture (USDA) system of hardiness…
Antarctic Pearlwort
A close-up showing the flowers of Colobanthus quitensis
Colobanthus quitensis is able to withstand freezing temperatures.