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Our Tree Care Knowledge Base

Arborist Tips From RTEC Treecare

winter trees
Seasonal Tree Care

Winter Protection for Your Trees: How to avoid the burn

Welcome winter! This is the time of year RTEC encourages our customers to start thinking about winter protection for their plants. Those first hard frosts of winter are a bothersome reminder that it’s not just about protecting your plants from winter—you also have to protect winter from your plants! Read on to learn about RTEC’s Winter Protection Program… 

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Winter Pests
Seasonal Tree Care

Winter Pest Prevention

Are you gearing up for winter? There is no better time to protect your trees and shrubs from pests with an all-organic solution. Read an interview with RTEC Certified Arborist, Jim Osborn, to learn about the benefits of Horticultural Oil and controlling those pests before they control your trees.

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trees by power lines
Tree Maintenance

Tree Growth Regulators

Give your mature tree’s the upgrade they need. It’s time to toss aside those Flinstone vitamins and break out the Centrum Silver! Tree growth regulators work to shield and strengthen your trees from everything life might throw their way. Read on to learn more about this regulator that keeps things better than regular…

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Our Latest Posts & Updates

RTEC Treecare The Weekend Tree Adviser August 2026
Newsletters

August 2026 Newsletter

30 Years Strong & Summer Tree Tips Inside Celebrating 30 Years of Growth — Together Thirty years ago, RTEC Treecare started with a simple idea:

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To Concerned Citizens,

RTEC Treecare has proudly provided tree care services to the Federal Government for 30 years. During that time, we have worked with over 20 federal agencies across four presidential administrations.

Safety and quality are at the core of everything we do. All work is performed in accordance with OSHA safety regulations and ANSI industry standards to ensure every project is completed professionally and responsibly.

RTEC Treecare is currently performing hazard tree pruning and removal services for the National Park Service at East Potomac Park Golf Course. The trees assigned for treatment have been evaluated and selected by National Park Service arborists based on established hazard assessment criteria.

We want to be clear: RTEC Treecare has not removed any cherry trees at East Potomac Park Golf Course. Our work has been limited to trees identified by the National Park Service as hazardous, non-native, or invasive.

As professional tree care specialists, we are committed to protecting and preserving valuable tree resources while helping ensure public safety.

Every project we undertake is guided by industry best practices and respect for the landscapes and communities we serve.

We remain dedicated to delivering safe, responsible, and high-quality tree care for our clients and the communities they serve.

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