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

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

Environmental factors and damage

The best way for us to help with your problem would be to inspect in person. You can make an appoint...

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Plant health care

Tree diseases

We generally recommend growing those saplings in a pot for a year so the root system can develop mor...

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Fertilization and soil management

General information

You have a fungal leaf spot on your Red Maple. This is very common on Red Maple and is typically not...

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Plant health care

Tree diseases

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

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Plant health care

Insects and pests

This is the ideal time of year to prune cherry trees, however the dry conditions will induce stress ...

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Fertilization and soil management

General information

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

Environmental factors and damage

The best time to prune Leyland Cypress is after new growth emerges in the spring until roughly a mon...

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Fertilization and soil management

General information

There are many visual symptoms that Arborists use to diagnose tree health disorders and tree structu...

Environmental factors and damage

The yellowing on the interior is normal. However, on the ends of the branches is not normal. It is l...

Environmental factors and damage

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Frequently asked questions

Our 20-30-year-old Ash tree has rising ground at the base and lower?

My 25-year-old, 40-foot-tall giant sequoia has lost about 80% of it?

I received a Red Oak sapling from your company. Where should I plan?

Why is my Red Maple dying?

What is your expertise regarding the Emerald Ash borer infestation?

My neighbors want trim a large cherry blossom tree down by a third?

Our Japanese Plum is oozing sap, and we’re worried it might be dise?

When should Leyland Cyprus trees be trimmed?

How do I know when an oak tree is diseased and must come down?

The inner needles of my pine tree and others in the neighborhood ar?

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