Frank Brines, Consulting RosarianSpecial to Valley NewsDepending 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 lower nighttime temperatures 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, including forming buds at the base of the plant to produce new canes. Dormancy is triggered by a variety of factors. Cold
