growing in clay soil, in the shade, never watered. 15 ft high evergreen shrub with sprays of stinky white flowers in July.
Not sure which species.
From wikipedia it is clear that this is not a good thing
“Privet is one of several plants that are poisonous to horses. In some parts of the world where they are not native, some privet species have become invasive weeds, spreading into wilderness areas and displacing native species. This is particularly a problem in North America, where no species of the genus occurs naturally.⁴ Privet is a huge problem in New Zealand and the east coast of Australia. It is banned from sale or cultivation in New Zealand due to the effects of its pollen on asthma sufferers. Privet pollen is known to cause asthma and eczema in sufferers. Privet can be removed by contacting local government agencies to report its presence.⁵
Thirty six percent of respondents to a survey of gardeners in the United Kingdom said that privet would put them off buying a property”