Tree diseases

  • All resources in tree diseases 256
  • Environmental factors and damage 117
  • Fertilization and soil management 3
  • General information 9
  • Insects and pests 122
  • Plant health care 171
  • Tree management and consulting 18

Mature redbuds do develop somewhat scaly bark that will exfoliate, but this sounds a bit extreme. Make an appointment...

Your redbud has lost a significant amount of foliage. You should water the tree through the Fall when rainfall is...

Needle diseases of conifer

Canada, Great Britain, Ireland, United States

Needlecast and needle blight are terms applied to a variety of foliage disorders of many coniferous species. These di…

Learn about Needlecast

Olive knot

Canada, Great Britain, Ireland, United States

Olive knot is caused by a bacteria that produces a plant growth hormone (indoleacetic acid, IAA) which causes the oli…

It would probably be okay to maintain the tree with regular pruning. This should be done annually to keep the size as...

We do offer both fruit tree pruning and a fruit tree management program. We can stop by and give you a free estimate...

This could be a sign of root and/or soil failure. If this is the case, then the tree would need to be removed. Some...

One of our Arborist Professionals would be happy to give a complimentary consultation. You can make an appointment by...

Cherry trees are typically pruned in the summer but deadwood cleaning, safety pruning, and thinning could be done in...