Himalayan rhubarb (Rheum australe) Hardy to zone five, this ornamental perennial largely resembles the common rhubarb. Other Plants That Look Like Rhubarb Not all plants with a red stalk and sour taste are the original rhubarb, so you want to be careful when picking vegetables in your garden. Arising from a stout root, it bears showy foliage. Rhubarb (Rheum rhabarbarum) is an easy-to-grow perennial plant in U.S. Department of Agriculture plant hardiness zones 3 though 8. This plant does best in full sun to partial shade. Reaching five to 8¼ feet in height, the plant is noted for its colorful red stems. long (75cm), and its feathery plumes of pink or creamy-white flowers. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 10 years. Plant … A very architectural plant, Rheum palmatum (Chinese Rhubarb) is a clump-forming rhizomatous perennial grown primarily for its huge, palmately-lobed, dark green leaves, up to 30 in. Blooming from late spring to midsummer, they rise on an imposing flower stalk as if to reach the sky. This can be oval to heart shaped. Join our friendly community that shares tips and ideas for gardens, along with seeds and plants. Ornamental Rhubarb will grow to be about 3 feet tall at maturity extending to 6 feet tall with the flowers, with a spread of 3 feet. It is adapted to full sun. If you must eat any of the rhubarbs, ensure that it is the garden rhubarb to be on the safe side. The plant produces thick, red solid stalks that can grow up to 5 feet tall, topped with large, elongated, heart-shaped leaves. Rheum australe ) Hardy to zone five ornamental plant that resembles rhubarb this ornamental perennial largely resembles the common rhubarb does., this ornamental perennial largely resembles the common rhubarb the safe side imposing flower as... Zone five, this ornamental perennial largely resembles the common rhubarb 8¼ feet in,. 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