are perennial plants that include giant rhubarb (Gunnera manicata) and grow in USDA plant hardiness zones 7 through 9. The fleshy, edible stalks (petioles) of other species and hybrids (culinary rhubarb) were cooked and used for food. Native Introduced Native and Introduced. Genus. Plan the perfect garden with our interactive tool →, Cornell University Growing Guide: Rhubarb, KVAL.com: Toxic Weed Puts Gardener in the Hospital, Ohio Perennial and Biennial Weed Guide: Common Murdock. Here are some popular varieties of rhubarb for the garden: If you prefer red rhubarb varieties, you’ll be delighted with ‘Holstein Bloodred,’ a vigorous plant that produces juicy, deep red stalks. Plants produce large wavy leaves on thick stalks, like rhubarb, but they grow much larger and have stalks with reddish, rubbery prickles. Everett, Editor, The New Illustrated Encyclopedia of Gardening Volume 6; T.H. Unlike rhubarb, the stalks are taller and hollow. The Plants Database includes the following 3 species of Rheum . Planting Riverside Giant Rhubarb: How To Grow Giant Rhubarb Plants, Victoria Rhubarb Care – How To Grow Victoria Rhubarb Plants, Sunrise Rhubarb Variety – How To Grow Sunrise Rhubarb Plants, Prickly Kale Leaves – Does Kale Have Thorns, Corn Husk Wreath Ideas: How To Make A Corn Husk Wreath, DIY Air Plant Wreaths: Wreath Making With Air Plants, Amaryllis Seed Propagation: How To Plant An Amaryllis Seed, Berry Container Gardening Tips: Growing Unusual Berries In Pots, What Is Spur Blight: Learn About Spur Blight Symptoms And Control, Rose Varieties: What Are Some Different Types Of Roses, Thanksgiving Tradition: Turning Homegrown Pumpkins Into Pie, Growing Thanksgiving Dinner – Must Have Turkey Side Dishes, Interesting Uses For Pecans: What To Do With Pecans, The Bountiful Garden: Bringing The Garden To Thanksgiving. Identification. Rheum L. – rhubarb. Rhubarb can also be planted in the fall after dormancy has set in. Stalks are often harvested and used in baking, and you can also grow rhubarb as edible landscape plant. If you’re curious about green rhubarb plant types, ‘Riverside Giant’ is a cold-hardy rhubarb with long, very thick green stalks. However, this rhubarb variety is fragrant, tender, and slightly sweet. This variety, which produces celery-size stalks, is a favorite for jams and jellies because of its attractive color. Common burdock (Arctium minus), also known as wild rhubarb, is easily mistaken for rhubarb. Some people also report skin irritation or allergic reactions to the plant burs if they penetrate the skin. Everett, Editor, The New Illustrated Encyclopedia of Gardening Volume 8; T.H. Be sure to mix compost, rotted manure, or anything high in organic matter in the soil. There are other plants that look similar to rhubarb, but are toxic lookalike plants that are inedible. These plants are well-suited for growing in waterside areas, such as lakes, ponds and bogs, but unlike rhubarb, they are inedible. You can tell common burdock from rhubarb by its hollow stalks, fuzziness on the undersides of leaves and its height -- it grows up to 6 feet tall. Plant grows white, spikelike flower clusters, which are insignificant. You may even discover that green varieties of rhubarb are surprisingly sweet, and tend to be more productive! These plants are well-suited for growing in waterside areas, such as lakes, ponds and bogs, but unlike rhubarb, they are inedible. The New Sunset Western Garden Book; Kathleen Norris Brenzel, Editor, The New Illustrated Encyclopedia of Gardening Volume 2; T.H. Read on to learn more about a few of the many types of rhubarb. Polygonaceae – Buckwheat family. If you’re curious about green rhubarb plant types, ‘ Riverside Giant ’ is a cold-hardy rhubarb with long, very thick green stalks. She works as both a writer and author and enjoys writing articles on many different topics. Poison hemlock (Conium maculatum) produces fernlike leaves; to the untrained eye, the stalks resemble those of rhubarb. However, the color of rhubarb actually has very little to do with its flavor. Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. The whole plant – a herbaceous perennial growing from short, thick rhizomes – is also called rhubarb. Dig large bushel basket-size holes. If you’re in the market for rhubarb with an unusual appearance, try ‘German Wine,’ a variety that boasts green stems with pink speckles. Learn which plants thrive in your Hardiness Zone with our new interactive map! in professional writing. Most rhubarb varieties aren’t pure red inside and out, but ‘Colorado Red’ is an exception. Her fiction writing appears in "Bewildering Stories," "The Other Herald" and "Spectacular Speculations.". ‘McDonald’s Canadian Red’ is another deep red rhubarb that works well for canning, freezing or rhubarb pies. Subordinate Taxa. It's considered toxic and has a diuretic effect on those who consume it. Rhubarb (Rheum rhabarbarum) is an easy-to-grow perennial plant in U.S. Department of Agriculture plant hardiness zones 3 though 8. However, common burdock is not edible. ‘The Sutton’ isn’t always appreciated for its appearance, which is streaked green and red. With attractive, pink stalks that tend to be thicker than many varieties, ‘Sunrise’ is an all-around variety that works well for freezing, canning, jellies, and pies. Ingestion can lead to death. The small flowersare gro… If you see a plant that looks like rhubarb and you're not sure if it is, beware. A mild-flavored rhubarb, ‘Turkish’ is green inside and out, except for a blush of red at the base. Plant grows white, spikelike flower clusters, which are insignificant. By: Mary H. Dyer, Credentialed Garden Writer. The large, triangular leaves contain high levels of oxalic acid and anthrone glycosides, making them inedible. Rhubarb leaf stalks have a tart flavor. Rheum officinale. Birds, the wind and other animals can spread seeds to various areas of your yard or garden. Poison hemlock (Conium maculatum) produces fernlike leaves; to the untrained eye, the stalks resemble those of rhubarb. Rhubarb is a vegetable derived from cultivated plants in the genus Rheum in the family Polygonaceae. They have purple spots on the stems, unlike the red-colored stalks of rhubarb. If you need to pull or dig up the plant, wear gloves and a mask to avoid becoming ill. Rhubarb leaf stalks have a tart flavor. The plant produces thick, red solid stalks that can grow up to 5 feet tall, topped with large, elongated, heart-shaped leaves. If you’re a fan of bright red rhubarb, guess what? Sign up to get all the latest gardening tips! Based in Indiana, Molly Allman holds a B.A. The plant produces thick, red solid stalks that can grow up to 5 feet tall, topped with large, elongated, heart-shaped leaves. You can distinguish this poisonous plant from rhubarb by looking at the stalks. You should not touch or ingest any parts of poison hemlock -- all parts are toxic and cause symptoms, such as dizziness and slowed heart rate within 20 minutes of ingestion. Space rhubarb plants about 4 feet apart and plant the roots 1 to 2 inches below the surface of the soil. ‘Canada Red’ is a type of cherry-red rhubarb with a sweet, juicy flavor. Common burdock (Arctium minus), also known as wild rhubarb, is easily mistaken for rhubarb.