![]() ![]() If the ground freezes solid, plant roots cannot absorb water and nutrients. ![]() Soil temperature, however, can sometimes be a greater factor in pansy death than air temperature. Gardeners in these and other zones can also plant them in spring for flowers that last until the summer heat is too oppressive for them to continue to grow.Įffects of Cold Temperatures As the air temperature dips below 25 degrees Fahrenheit, pansies flip into defense mode.īut this doesnt mean they are dying its simply their natural response to below-freezing temperatures. ![]() ![]() Pansy Winter Hardiness Pansies are classified as short-lived evergreen perennials that, depending on where you live, grow as biennials or annuals.ĭepartment of Agriculture plant hardiness zones 6 through 10, gardeners plant them in autumn to enjoy fallwinter or spring flowers (or both). Its not just the air temperature but also the soil temperature that influences pansy survival during winter. Then when winter hits, cold temperatures can burn this tender new growth. Cold Zero The Last Stand By vicosyver1987 Follow | Public ![]()
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