Learn how to grow American mountain ash, a lovely native tree that provides ... The most common disease of mountain ash is fire blight. This bacterial disease causes leaves at the ends of branches ...

A new Facebook game called Fraxinus hopes to crowdsource the solution to protecting the common ash tree from a devastating fungus. “The more people who play it, the more accurate the results will be ...

During spring, summer and early autumn they have compound leaves with 3-6 opposite pairs of light ... As we’ve already said, ash trees are the third most common tree species in Britain, making up 12% ...