Herbal Supplement. With apitherapy raw honey, purple loosestrife and usnea. Discussion: We use the synergy of farm style US grade A raw honey, propolis, purple loosestrife (a wildcrafted herb) harvested at peak potency and usnea (a lichen) in this spray for maximum effectiveness. Propolis is a resin that honey bees gather from pine and poplar trees which is used to coat the inside of the bee hive and protect it from intruders. www.beehiveorganics.com. www.honeygardens.com.