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Our expert Specialized Tree & Shrub Treatments protect landscapes across Chester, Montgomery, and Delaware Counties from disease, decline, and invasive pests. With ISA-certified arborists, EPA-compliant treatments, and a science-backed approach, we treat problems at the root—safe, effective, and precision-timed for Pennsylvania conditions.
At Lang’s, we know that not all tree problems can be solved with routine care. When pests, disease, or decline threaten your trees, our specialized treatments deliver targeted solutions. Using ArborJet® trunk injections, growth regulators, and plant defense activators, we treat the issue at the vascular level—where the damage starts. Every treatment is timed to Pennsylvania’s growing cycles and customized by ISA-certified arborists. It’s precision care that goes beyond basic tree service—because your trees deserve better.
When trees face complex threats, they need targeted solutions—not generic sprays. At Lang’s, we offer a range of advanced treatments tailored to your landscape. Whether it’s stopping invasive pests, boosting immunity, or restoring declining trees, every service is performed by ISA-certified professionals using EPA-compliant materials and proven protocols. These aren't off-the-shelf treatments—they’re science-driven, locally timed, and built for real results in Pennsylvania.
Pennsylvania homeowners, HOAs, and estate managers turn to Lang’s because we deliver science-backed, expert-led treatments with local precision. From the first diagnosis to follow-up visits, we bring unmatched care, clarity, and results to every property we serve.
We’ve treated thousands of trees across Chester, Montgomery, and Delaware Counties since 2004. Our deep understanding of local pests, diseases, and climate conditions allows us to make smarter treatment decisions—faster.
We use EPA-registered products, trunk injections, and targeted methods that reduce off-target exposure. Our treatments are safe for children, pets, pollinators, and your property’s surrounding plant life.
No hidden fees, vague quotes, or pressure tactics. We explain every step, every treatment, and every cost upfront—so you always know exactly what you're paying for and why it matters.
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Our team includes ISA-certified arborists and licensed pesticide applicators trained in advanced plant health care. You’re not getting guesswork—you’re getting science-backed tree care from real pros.
We track PA-specific weather patterns, pest emergence, and disease pressure to time every application for maximum effect. That means better results with fewer treatments—saving time, money, and tree stress.
Every tree and landscape is different. That’s why we customize every treatment plan based on species, age, site conditions, and your property goals. No pre-packed templates—just precision care.
We inspect tree structure, foliage, bark, and soil to identify pests, diseases, and stress factors—ensuring your treatment plan starts with the right diagnosis.
Based on findings, we design a treatment plan using products like Apogee or ArborJet—scheduled to align with PA’s pest cycles, bloom stages, and climate shifts.
Our licensed team applies treatments precisely where needed and returns for monitoring—adjusting as conditions change to ensure your trees stay on track all season.
If your tree shows signs of decline, unusual leaf drop, insect damage, or disease symptoms like cankers or spotting, it may require more than standard care. Our arborists provide on-site assessments to determine what’s best.
Yes. Trunk injections deliver treatment directly into the tree’s vascular system, eliminating surface residue and drift. This makes them safe for nearby people, pets, and beneficial insects like bees.
Treatment frequency depends on the issue and tree species. Some need one-time injections, while others benefit from seasonal or annual plans. We tailor recommendations after inspection.
Absolutely. Specialized treatments work best when paired with pruning, fertilization, and monitoring. We’ll design a comprehensive plan that fits your property’s needs and budget.
Yes. Our systemic treatments, growth regulators, and defense activators are highly effective against common PA threats like Emerald Ash Borer, Fireblight, and Leaf Spot.
From Pottstown to West Chester, we’ve been delivering expert lawn, tree, and pest care to homes
Monday
8:00 AM to 05:00 PM
Tuesday
8:00 AM to 05:00 PM
Wednesday
8:00 AM to 05:00 PM
Thursday
8:00 AM to 05:00 PM
Friday
8:00 AM to 05:00 PM
Saturday
8:00 AM to 05:00 PM
Sunday
Closed
Get in Touch
Get your free estimate — we’ll help protect and beautify your property.
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