Q.I Live In CT And Last Winter My Rosemary Plants Survived Until Feb. Uncovered They Only Died After I Covered Them With Plastic. Fu
rther, my lavendar plant stays green all winter and is about 3 feet wide now. I can also start cuttings of both Rosemary and Lavendar by just placing the cutting in dirt in a new pot. I’ve had very good success with this.
Certified GKH Gardening Expert
Plastic is the worst thing for covering a plant. Better to use a blanket or a special frost blanket. You can put plastic on top of the blanket if you wish.