Rheum rhaponticum
Rheum
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Rheum (Rheum rhaponticum) - Description
Rheum rhaponticum, the false rhubarb, rhapontic rhubarb or rhapontic, is a plant species found in the wild in the genus Rheum. Hyperoside, the 3-O-galactoside of quercetin, can be found in R. rhaponticum, where it serves as a UV blocker found in the bracts. It also contains the hydroxystilbenes rhaponticin and desoxyrhaponticin.
Rheum (Rheum rhaponticum) - Growth
Grows best with an air temperature below 80°F (27°C). Plant rhubarb in full sun or light shade.
Rheum (Rheum rhaponticum) - Planting
Sow seeds in containers in autumn. Provide some level of cold protection through winter. As spring approaches divide the growing plants and plant outside.
Rheum (Rheum rhaponticum) - Pest
Prone to root rot, rusts and blight.
Rheum (Rheum rhaponticum) - Interesting facts
The leaf blades are poisonous if ingested. The blades have a relatively high concentration of oxalic acid, which gives the leaves their toxicity. Interestingly enough the petioles of the leaves (otherwise known as the stalks of the leaves) do not share the high concentration of the acid and as a result are edible. These are the plant parts that are famously used in rhubarb pie.
Rheum (Rheum rhaponticum) - Soil and irrigation
Grows best in deep, organically enriched soil with ample water.
