trees and shrubs Archives

Dawn redwood

Dawn redwood or Metasequoia glyptostroboides. Is it an acquired taste, the conifer that loses its needles in the fall? Or

By Dorothy Dobbie American elms and Dutch elm disease The native elm bark beetle, Hylurgopina rupifes, and the smaller European

In the wintertime, black knot infections become increasingly apparent. Black knot is a fungus, Apiosporina morbosa, that colonizes members of

New life for old shrubs Nearly all well-established gardens have at least one old shrub which is often ignored until

The bronze birch bark borer and the birch leaf miner Several pests attack birch trees, especially those that are under

by Dorothy Dobbie When and where to plant a birch The best time to plant a birch tree is spring

Trees are complicated organisms. It is hard to identify a problem without the help of a professional. You need to

By Dorothy Dobbie Literature and myth abound with stories about trees talking to people and people talking to trees. Many

By Dorothy Dobbie I love spring. When the trees and flowering shrubs have shaken off the chills of a Canadian