I would like to know how to keep my Gardenia alive through the winter
by
Elizabeth
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Cover it with a commercial plant freeze cover or use a quilt/blanket covered with a waterproof plastic sheet. Ensure there is a sufficient opening at the bottom for air flow.
" Gardenias are grown for their large, sweetly fragrant flowers and glossy evergreen foliage. They are meant for warm climates and sustain substantial damage when exposed to temperatures below 15 F. (-9 C.). Most cultivars are hardy only in USDA plant hardiness zones 8 and warmer, but there are some cultivars, labeled as cold-hardy, that can withstand winters in zones 6b and 7." Read more here: https://www.gardeningknowhow.com/ornamental/flowers/gardenia/gardenia-winter-care-tips.htm
http://homeguides.sfgate.com/gardenias-freezing-temperatures-26729.html