Olive trees are self-propagating in that we don’t need to use pollinators nor do we use any pesticide/herbicide sprays or leaf retention sprays prior to picking! Again providing a natural pure organic Extra Virgin Olive Oil. Olive trees are self-propagating in that we don’t need to use pollinators nor do we use any pesticides / herbicide sprays or leaf retention sprays prior to picking ! Again providing a natural pure organic Extra Virgin Olive Oil.