"Protecting Plants from Cold Damage"
LowTide Morning - December 15, 2018 "Protecting Plants from Cold Damage" (from my archives: Extension weekly article 12/21/04) Local radio host, John Scott Kapaona recently introduced me to his listening audience on AM 720. Each week we chat about different gardening topics and John, not being a gardener, has learned to ask all of the right questions. Two weeks ago we talked about plant cold hardiness zones, which determines the minimum temperature that a plant can tolerate during winter and survive. A zone 7 plant that has acclimated to winter dormancy should tolerate temperatures as low as 0 - 10 degrees. Zone 8 will only tolerate between 10- 20 degrees. This week, as the temperatures dropped into the 20's, John asked about protecting plants against cold weather. As I was pulling information together for the show, I started asking some simple questions at the Extension office that seem to have rather in-depth answers. I wanted to know if and when I really need to pull o...