Pre-Planted for Your Convenience Rhubarb Glaskins Perpetual is a very reliable hardy variety which has a superb resistance to disease. It will produce large, long-stemmed, bright red stalks throughout the Summer up to Early Autumn. An incredibly juicy variety, they are excellent for use in tarts, pies, jam & wine. We have Pre-Planted these Rhubarb Plants into a pair of 27cm Containers for your convenience.