General tree information

  • All resources in general tree information 250
  • Environmental factors and damage 19
  • Fertilization and soil management 53
  • General information 250
  • Insects and pests 3
  • Plant health care 61
  • Tree diseases 9
  • Tree management and consulting 5

Japanese privet (Ligustrum japonicum) is an evergreen shrub or small tree widely used as a hedge, screen, or…

Judas Tree

Deciduous small tree, with heart shaped leaves and pink early spring flowers, present on older wood, often flowers are...

Juniper

The Juniperus genus consists of between 60 and 70 species, native to the northern hemisphere from the Arctic to...

Junipers (Juniperus spp.) are among the hardiest and most versatile landscape plants. This genus is represented…

Katsura Tree

Deciduous tree famous for its autumn colour and lush kidney shaped leaves. Native to East Asia: particularly Japan,...

Landscape protection from boxwood blight

Canada, Great Britain, Ireland, United States

Boxwood blight is a fungal disease that causes leaf spots, twig cankers, rapid defoliation, and eventual death of box…

Leyland Cypress

Hybrid genus between Chamaecyparis and Curpessus. A fast growing coniferous evergreen widely used for hedging and...

Leyland Cypress

The Leyland Cypress is a hybrid between the Alaskan Cypress and the Monterey Cypress. The hybrid cross occurred in...

Leyland cypress (Cupressus x leylandii) is an evergreen that has become very popular in the landsca…

Lichen and trees

Canada, Great Britain, Ireland, United States

Lichens are non-parasitic organisms consisting of a symbiotic relationship between a fungus and a green alga or cyanobac…