Yes you can, I have transplanted my Russian sage several times, I don't cut my sage back until I have signs of new buds in the spring, and that's when I transplant, dig about a foot deep and gently pul new growt ( last years growt ) it will separate, then plant in new location, don't let transplant dry out, and I use standard garden fertilizer 20-20-20 or similar, no other special treatment , I live in a mountain region, zone 3.And my sage Is in front yard, what a show it makes, honey bees love them. It will only grow from transplants.