Bursting into life at this time of year, blossom trees such as crab apple and flowering cherries, adorned with clouds of pink and white petals, are among the most inspiring sights of the changing ...

Some trees and shrubs have a bad reputation for being susceptible to diseases: lilacs to powdery mildew, junipers to juniper tip blight, flowering crabapples to apple scab, and elms to Dutch elm ...