Choose some wild plants growing far from the cultivated places. Medicinal plants are collected at dry weather, do not rinse them with water except to clean the roots, spread them in a aerated place protected from the sun to make them dry.

Roots, rhizomes, tubers and bulbs are collected in autumn for annual plants or spring for others.

Buds are collected as soon as they appear at the beginning of spring.

Leaves before the closing of the fruits which give the flowers.

Flowers at the beginning of their blooming.

Fruits at maturity

Seeds at full maturity.

Plants are preferably preserved in bottles out of tinted glass and do not have to be kept beyond one year (Stick a label with the names of the plant and dates of harvest).