Rumex - is a genus of dicotyledonous herbaceous plants of the family Polygonaceae. Its leaves are up to 15 cm long and rounded, light green in color: they resemble those of spinach. The very recognizable fruit is an achene with three membranous wings; the fruits are grouped in clusters.The sorrel appreciates heavy soils and clay soils, neutral to acids, very humiferous, and hardly tolerates the calcareous soils. It can easily be grown in pot on the edge of a window at home, but also in open soil, in ornemental or in vegetable garden. Find him a semi-shade spot.Sow in nursery from March to June, or in the garden after the last frosts. Cover the seeds with about 1 cm of potting soil. Water the seedlings frequently to keep the soil moist.