Nectar flow is the period when forage plants in an area secrete abundant nectar, enabling bees to collect and store honey rapidly, and determining both the harvest volume and the botanical origin of the resulting honey.
In trade practice
Beekeepers track bloom calendars for key crops such as sunflower, rapeseed and acacia to position colonies at peak flow. The timing and intensity of the flow directly affect moisture content and sugar profile in the harvested honey. Buyers sourcing monofloral varieties rely on flow records and pollen analysis to verify botanical origin. A weak or interrupted flow can raise water content, increasing fermentation risk during storage.
In a specification
Purchase contracts for monofloral honey may reference the expected nectar-flow period and primary forage source as supporting evidence for botanical-origin claims verified by melissopalynological analysis.