- Rhubarb Compendium
 - Everything you ever wanted to know about rhubarb and then some. Includes history, varieties, festivals, and recipes. - Rhubarb: America's Favorite Pie Plant
- Offers information on the plant and growing instructions.
- Watch Your Garden Grow: Rhubarb
- Site dedicated primarily to growing rhubarb. Includes information on different varieties, planting, common problems, and nutrition.
- Wikipedia: Rhubarb
- Encyclopedia article on the tart vegetable includes scientific classification, a history of rhubarb, common variants, and toxicity information.
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