Rhubarb Rheum 'Glaskins' OrganicYou can grow your own rhubarb with ease! The stems of the organic rhubarb 'Glaskins' (Rheum rhabarum) can be used in your own sweet dishes, or as an ornamental plant in the border. Do not eat the leaves because they are poisonous. Plant the roots in the spring. You can harvest the stalks in the summer. Place four plants per linear metre. Space the bulbs out when planting. The distance between plants is three times the width of the bulb. Plant the bulb