{"name":"Rhubarb","scientificName":"Rheum rhabarbarum","family":"Polygonaceae","url":"https://seedsinacup.com/plants/rhubarb","source":"Seeds In A Cup® supplied plant library; not independently peer reviewed","cultivation":{"how_to_grow":"Extremely hardy. Needs a cold winter dormant period. Don't harvest the first year.","kit_methodology":"Start your rhubarb crown in a Seeds In A Cup® planter to establish a strong root network before moving to a permanent garden spot."},"growingConditions":"Cold climate highlands with rich, acidic soil.","safety":"Stalks are safe. Leaves contain high oxalic acid and are toxic to humans and pets.","products":[{"name":"Rhubarb Seed Starter Grow Kit","url":"https://seedsinacup.com/products/rhubarb-grow-kit-perennial-pie-plant-seeds"}]}