Plant health care

  • All resources in plant health care 268
  • Environmental factors and damage 126
  • Fertilization and soil management 10
  • General information 61
  • Insects and pests 139
  • Tree diseases 171
  • Tree management and consulting 20

The description sounds like cottony maple scale, a type of insect that lives underneath the white substance. Their...

Palm trees require annual pruning to clean out the seed pods and any dead fronds. We are available to provide a...

It could be a root problem causing the decline of the one tree. White Pine are susceptible to root rot disease and/or...

There are many problems that can cause spotting, curling, and death of the leaves and/or tree. Without more extensive...

We recommend fertilizer applications to the soil based on soil analysis results We never recommend stem injections on...

I would recommend pruning them to thin the canopies approximately 15% by removing live, rubbing, and interfering...

The preferred treatment for hemlock woolly adelgid is a soil applied systemic treatment that gives about 3-4 years...

This is likely an insect called a leafroller that created the webbing. If this is the case, it has probably completed...

Emerald Ash Borer (EAB) is actively damaging and killing trees in the Northwest DC area. If you have any ash trees, I...

“Shot hole disease” is caused by the fungus blumeriella. Preventative fungicide treatments beginning in the early...