Tag: Education

Translated Resources

These are documents that we have translated for Londoners who want to learn more about trees! Languages include Korean, Mandarin, Cantonese, French, Spanish and others.


Just like humans, trees are susceptible to disease. Diseases usually occur from open wounds in branches or in the trunk, through trauma-induced defoliation, or through other environmental stressors that weaken the tree.


There are many pests throughout Southwestern Ontario and in London that have caused extensive damage and death to trees. Typically, these are non-native insects that have been brought over from other countries.

Non-Native Species

Trees that are not native can pose significant threats to local biodiversity and to the natural ecosystem. Non-native trees tend to reproduce and grow quickly.