Harvesting rhubarb: How to do it correctly and when the season ends. Rhubarb belongs to the knotweed family and is therefore a vegetable.
The plant is just as suitable for gardening beginners as it is for professionals. It is easy to grow both in the garden and in raised beds (promotional link) and can be left in the same location for up to ten years. Oxalic acid hinders the absorption of iron, magnesium and calcium and, if consumed in large quantities, can lead to symptoms of poisoning.