Phenological observations on the Dracocephalum moldavica in the Middle-Volga branch of FGBNU VILAR

The article provides a botanical characteristic, describes the medicinal properties and presents the results of phenological observations of the Dracocephalum moldavica in the conditions of the Samara region. The observations were carried out in the years of 2019-2022, different in terms of agro-climatic conditions. It has been established that seedlings of snakehead appear under favorable weather conditions in 9-12 days. The period from the beginning of germination to the budding phase is 48-52 days, the duration of budding is 15-22 days. The budding phase of the Moldavian snakehead during the years of research lasted 15-22 days, and the flowering phase lasted 21-28 days. The vegetation period of the Moldavian snakehead was 109-133 days. The content of essential oil in the raw materials of Dracocephalum moldavica L. was at the level of 0.31-0.40%, which corresponds to the normative indicators.