The root of the plant is collected in the spring before the growing season or in the fall after the growing season. Plant roots or rhizomes, if necessary, washed, cut lengthwise and dried in the sun. The fruits of medicinal plants collected in the fully mature or half matured condition. Fleshy ripe fruits are collected and dried in the sun. Dry fruits (anise, caraway, etc.) are collected half matured and will mature when drying in the sun. Seeds of medicinal plants are harvested fully ripe, the best in the dew, otherwise easily fall, and later matured in the sun.
Plants should always be dried in the air, regardless of whether it is dried in the sun or shade. The most suitable drying plant material at the stretched canvas, which had been folded before mornning dew and stretched again another day. Can be dried on a clean white paper (never dry in the newspapers). It can also be dried at tables covered with white linen mat or paper or made rugs, mostly reed or bamboo.
Medicinal plants should not be when packing compact. The most appropriate packaging paper bags (double or better yet triple - save in one, then in another, and the third and every seal), cardboard boxes, jute, flax or linen bags or wooden boxes of natural wood without any additives paint or varnish .