Frequently asked questions

Find answers to some of the most frequently asked questions that we receive. Use the search criteria to find the topic in which you are interested.

All 242
Environmental factors and damage 114
Fertilization and soil management 45
General information 58
Insects and pests 131
Plant health care 185
Tree diseases 166
Tree management and consulting 18

If the yellow leaves are coming from the inside of the tree, it is likely responding to a change in ...

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Plant health care

Tree diseases

Japanese maples are susceptible to a vascular disease called verticillium wilt or girdling roots. I ...

Environmental factors and damage

What you are describing on the autumn blaze maple are likely two different pests. The bumps on the l...

Environmental factors and damage

There are many different factors that could be negatively affecting your tree. The sap bleeding from...

Environmental factors and damage

This tree could be suffering from multiple issues. The best way to assess this tree with regard to h...

Environmental factors and damage

An arborist should visit your property to inspect the river birch to determine the options.

Environmental factors and damage

Sounds like you have an oak with a heartrot problem. The fungus you see is the mushroom typically co...

Environmental factors and damage

It is hard to say what is causing the limb to turn black. If it is dead, it could be decay. If it is...

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Plant health care

Tree diseases

Most need to be in warm areas and brought inside during the cold weather. Outside, they need to be p...

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Plant health care

Tree diseases

You will want to consider soil condition (pH, nutrient content, organic matter) before selecting a t...

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Fertilization and soil management

General information

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Frequently asked questions

Why are the leaves on my tree turning yellow?

Why is my Japanese maple tree dying?

Why are there bumps and galls on my autumn blaze maple?

Why are the leaves on my tree turning yellow?

Why are the leaves on my tree turning yellow?

Why is my river birch tree losing its leaves?

I have a Black Oak with many dead branches and a hard, woody fungus?

I have a 20-year-old tree in my front yard with a large blackening?

How do I take care of an hibiscus tree?

Can Bartlett help me choose a replacement tree for a diseased crabapple tree?

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