Rose Care FUNdamentals for December 2020

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Roses could still be seen actively growing and blooming in many Temecula Valley gardens the week after Thanksgiving. Valley News/Shane Gibson photo
Frank Brines American Rose Society Depending on which side of the canyon you live, weather has been relatively good for fall roses. Most areas still haven’t had temperatures anywhere near frost. Roses could still be seen actively growing and blooming in many Temecula Valley gardens during the Thanksgiving holiday. The cooling nights will soon cool the soil and reset the roses’ biological clock to slow down and go into some kind of dormancy. Roses need a four- to six-week dormancy period during the winter months. During dormancy, the plants go through natural hormonal changes that prepare them for the next growing season. Dormancy is triggered by a variety of factors. Cold temperatures, including frost, slow the plant’s metabolism while cold rains chill the soil, further slow
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