| Alnus glutinosa Common alder,Black alder,European alderCulture: Easily transplanted in spring, European alder is tolerant of poor soils due to its nitrogen fixing ability. It is adaptable to moist or wet areas such as waterways and stream banks, but is not very tolerant of drought. Alders can be bothered by some insects, including leaf miners and cottony alder aphids.Usage: A good plant for wet sites and poor soils, this species is a good alternative to willows and poplars. It looks best when used as a multistemmed tree in the landscape. |