Allhy1236
ActiveHypericum L. · St. John's wort
WIM VAN DEN HOOGEN
Variety traits
Abundance and duration of St. John's wort flowering
Hypericum L.
In St. John's wort agronomy, flowering parameters are used to determine harvesting times rather than as quantitative variety traits. The priority is establishing the date of mass flowering to ensure maximum accumulation of active substances.
In the reference 3 varieties crop St. John's wort, where this is mentioned in the description.
There are no specialized scales for evaluating the abundance of St. John's wort flowering in agronomic practice. Researchers and breeders focus on recording phenological phases, specifically the date of mass flowering, when more than half of the plants in the plot enter the generative stage.
The duration of the St. John's wort flowering period is typically 25–30 days, occurring during the summer months. This time interval serves as a key indicator for scheduling the harvest, as it is precisely during the beginning of the mass flowering phase that optimal concentrations of hypericin and flavonoids are reached in the inflorescences.
General information about the subject — on the page Abundance and duration of flowering.
Varieties of St. John's wort mentioned in the description
Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.
Allblommos
ActiveHypericum L. · St. John's wort
WIM VAN DEN HOOGEN
ALLHYTIA
ActiveHypericum L. · St. John's wort
WIM VAN DEN HOOGEN