> Through their work, they’ve set standards for select honeys like the country’s famous Chestnut honey—a rare, bittersweet and intensely aromatic honey made by bees that harvest nectar of the flower of the chestnut tree

Er, I'm by no means an expert (though I do eat a lot of honey), but this sounds suspiciously like honeydew honey (https://en.wikipedia.org/wiki/Honey#Honeydew_honey), which is actually made not from nectar, but from (to quote the Wikipedia article) "honeydew, the sweet secretions of aphids or other plant-sap-sucking insects", and is indeed "bittersweet and intensely aromatic", but not all that rare...