Forest tent caterpillars are another major player in the demise of paper birch trees, as they defoliate (or remove leaves from) the birch, weakening its overall state and leading to easier ...
Inspecting a birch tree before the leaves have fallen makes it easier to spot the dead branches to target when pruning birch trees in winter. It is not advisable to prune birch trees in spring.
A study by the National Land Survey of Finland and the University of Helsinki has revealed significant individual differences ...