The Tree Clinic: Free Diagnosis and Care Advice for South Carolina Trees

What The Tree Clinic Does

The Tree Clinic is a free service run by Clemson University's Department of Forestry and Natural Resources that diagnoses tree problems and gives you guidance on care. A certified arborist or trained specialist examines your tree, identifies what's wrong—whether disease, pest damage, poor pruning, or environmental stress—and explains your options for treatment or management. You don't pay for the diagnosis, and you're not obligated to hire anyone to fix the problem.

The service operates through county Extension offices across South Carolina. You contact your local office, describe the issue, and either bring a sample of the affected branch or leaves to the office, or schedule an on-site visit for larger or more complex problems. The arborist then provides a written report with findings and recommendations you can use to make decisions about your tree's care.

Key Takeaways

• The Tree Clinic is free and run through Clemson University Extension offices in your county—no charge for diagnosis or advice.
• You can bring samples to your local Extension office or request an on-site visit for trees that need hands-on evaluation.
• The arborist identifies the specific problem—disease, insects, environmental damage, or poor structure—and explains what's causing it.
• You receive written recommendations you can use to decide whether to treat the tree, remove it, or monitor it over time.
• The service covers ornamental trees, shade trees, and fruit trees on residential property.

How to Bring a Sample to Your County Extension Office

If your tree shows signs of disease, insect damage, or unusual discoloration, collect a sample of the affected branch or leaves and bring it to your county Clemson Extension office. Cut a section about 12 inches long that includes both healthy and damaged tissue so the arborist can see the transition. Place it in a paper bag—not plastic, which traps moisture and speeds decay—and label it with the tree species if you know it, the location on the tree where the damage appears, and when you first noticed the problem.

Call your county Extension office before you visit to confirm hours and ask whether they need any additional information. Most offices can turn around a diagnosis within a few days. Bring the sample during regular business hours, and staff will either examine it immediately or send it to a specialist if the problem requires laboratory analysis or expert review.

Requesting an On-Site Visit

For trees with structural problems, severe decline, or damage that's hard to assess from a sample, you can request an on-site visit. Contact your county Extension office and describe the issue—for example, a large oak that's leaning, a tree with major branch loss after a storm, or a tree that's been declining for months. The office will schedule a time for an arborist to visit your property, usually within one to two weeks depending on demand.

During the visit, the arborist examines the tree's overall health, structure, and growing conditions. They look for signs of disease, pest activity, root problems, and damage from weather or poor pruning. They may use tools to assess wood condition or take samples for later analysis. After the visit, you'll receive a written report with findings and recommendations—whether the tree can be treated, managed long-term, or should be removed.

What Problems The Tree Clinic Can Diagnose

The Tree Clinic handles a wide range of tree health issues common to South Carolina. These include fungal and bacterial diseases like anthracnose, oak wilt, and fire blight; insect pests such as scale, spider mites, and borers; environmental stress from drought, poor drainage, or soil compaction; and damage from storms, wildlife, or improper pruning. The arborist can also assess whether a tree is declining due to age or whether intervention might help it recover.

The service covers ornamental trees like dogwoods and crepe myrtles, shade trees like oaks and maples, and fruit trees in home orchards. If your tree's problem falls outside the scope of the clinic—for instance, if it requires specialized equipment or extensive treatment—the arborist will refer you to a certified arborist or tree care company and explain what to expect from that service.

Understanding Your Arborist's Recommendations

After diagnosis, the arborist's report will typically outline three or four options: treat the tree with fungicide or insecticide if the problem is manageable; prune away affected branches and monitor the tree's recovery; remove the tree if it's too far gone or poses a safety risk; or simply monitor it over time if the problem is minor or the tree is managing well despite the issue. The report explains the reasoning behind each option and what results you might expect.

If treatment is recommended, the report will specify what kind—for example, a dormant oil spray for scale insects, or pruning to improve air circulation and reduce fungal disease. You can then decide whether to hire a professional to carry out the work or handle it yourself if it's within your skill level. The arborist's recommendations are based on the tree's species, age, location, and the severity of the problem, so they're tailored to your specific situation rather than generic advice.

Finding Your County Extension Office

Clemson University Extension has an office in each of South Carolina's 46 counties. To find yours, visit the Clemson Extension website and search by county name, or call the main Clemson Extension line for a referral. The office address, phone number, and hours are listed online. Some offices offer drop-in hours for sample submission; others ask you to call ahead. A few larger offices have arborists on staff; smaller offices may send samples to a regional specialist or the main Clemson campus for analysis.

When you contact the office, ask specifically about the Tree Clinic service and whether they handle your type of tree and problem. If your county office doesn't have an arborist available, they can direct you to a certified arborist in your area or help you understand what to look for when hiring one privately.

What to Expect After You Get the Report

Once you have the arborist's written findings and recommendations, you own the information and can act on it at your own pace. If you decide to treat the tree, you can hire a certified arborist or tree care company to do the work, or you can do it yourself if the treatment is straightforward—like pruning or applying a spray. If you decide to remove the tree, you can get quotes from tree removal services and compare costs and approaches. If you decide to monitor, you can check the tree periodically and contact the Extension office again if the problem worsens.

The Tree Clinic doesn't follow up on your tree's progress unless you contact them again. However, if a problem recurs or a new issue develops, you can bring another sample or request another visit. Many people use the service multiple times over the years as their trees face different challenges.

Frequently Asked Questions

Is there a cost for the Tree Clinic service?

No. The diagnosis and written report are free because the service is funded by Clemson University and the South Carolina Forestry Commission. You only pay if you hire someone to carry out treatment or removal based on the arborist's recommendations.

How long does it take to get a diagnosis?

If you bring a sample to the Extension office, you may get a preliminary diagnosis the same day or within a few days. If the problem requires lab analysis, it may take one to two weeks. On-site visits are usually scheduled within one to two weeks of your call, depending on the office's workload and the time of year.

Can the arborist tell me if my tree is safe to keep?

Yes. If you're concerned about a tree's structural integrity—for example, if it's leaning, has large dead branches, or was damaged in a storm—an on-site visit will include an assessment of whether the tree poses a safety risk. The arborist can recommend pruning to reduce risk or removal if the tree is unstable.

What if I don't know what kind of tree I have?

Bring a sample of the leaves, bark, or fruit along with the affected branch, and the arborist will identify the species as part of the diagnosis. If you're bringing a sample to the office, a photo of the whole tree can also help with identification.

Can the Tree Clinic recommend a contractor to do the work?

The arborist can refer you to certified arborists or tree care companies in your area if you need help carrying out their recommendations. They can also explain what qualifications to look for when you're hiring someone, such as certification through the International Society of Arboriculture or liability insurance.