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
Hawthorn

Genus of 200 of more species of usually spiny, deciduous, sometimes semi evergreen shrubs and trees found in Northern...

Hawthorn

There are many species and cultivars of hawthorn, although C. monogyna is referred to as ‘common hawthorn’. Native...

Hawthorns (Crataegus sp.) are widely used as specimen trees and shrubs in mass plantings and as hedges. They…

Hedge pruning

Canada, Great Britain, Ireland, United States

Hedges provide valuable screening, green fencing and elegant architectural features in many landscapes. Maintaining hedg…

Hemlocks are widely used in the landscape because they retain attractive foliage year-round and are shade tolerant. A…

Holly

All parts of the plant are toxic to humans if consumed but the berries provide a food source for birds. This evergreen...

Holm Oak

The Holm oak or Holly oak is a non-native invasive species in the UK. The first trees were brought to the UK as acorns...

Honeylocust (Gleditsia triacanthos) is a long-lived, deciduous hardwood tree commonly planted along city str…

Hornbeam

A deciduous tree belonging to the family Betulaceae. Hornbeam grows to a height of 25 metres by 20 metres spread....

Horse Chestnut

The horse chestnut is widely regarded as a beautiful large tree (27m), so is ideal as a shade tree for large estates...