Business Details
50+ Years
experience
Expert Tree & Lawn Care Services in Denver, CO
Mountain High Tree, Lawn & Landscape has been a trusted provider of comprehensive tree, shrub, and lawn care services since 1974. Our family-owned business combines decades of expertise with environmentally responsible practices to serve Metro Denver and Colorado Springs communities. We employ certified arborists and lawn care specialists who deliver personalized solutions for pest control, disease prevention, and landscape enhancement. Our commitment to sustainability includes recycling 100% of tree debris, producing locally sourced organic mulch, and educating clients on eco-friendly practices. With over 40 years of experience, we maintain industry leadership through innovative techniques and a focus on client satisfaction.Our team of trained professionals ensures every project meets the highest standards of quality and safety. We serve neighborhoods including Centennial, Highlands Ranch, Littleton, and Cherry Hills, offering both residential and commercial services. Our mission emphasizes environmental stewardship while maintaining a safe workplace and fair compensation for employees. This dedication to excellence has established us as one of the region's largest independent landscape care providers. We continue to grow through strategic partnerships like our affiliation with SavATree, enhancing our resources while preserving our personalized service approach.
Services
Tree Care
Stump Grinding
Lawn Care
Organic Fertilization
Holiday Lighting
Pest Control
Tree Planting
Mulch Delivery
Commercial Services
Emerald Ash Borer Control
Details
- Year established: 1974
Highlights and features
- Certified Arborists with 40+ years of local experience
- Locally produced organic mulch with reduced carbon footprint
- 100% tree debris recycling and sustainable practices
- Personalized care from original team members since 1974
- Comprehensive services from tree care to holiday lighting
What people say
Professional team
Knowledgeable arborists
Effective treatments
Reliable service
Eco-friendly practices
Services
Tree Care
Our certified arborists provide comprehensive tree care including pruning, disease management, and risk assessment. We specialize in preserving urban tree health through science-based treatments and preventive maintenance. Services cover both residential and commercial properties across Metro Denver and Colorado Springs.
Lawn Care
Customized lawn care programs use organic fertilizers and proven techniques to create vibrant, healthy turf. Our specialists address Colorado-specific soil conditions and climate challenges through aeration, weed control, and tailored nutrition plans for sustained lawn vitality.
Pest Control
Targeted pest control solutions protect landscapes from destructive insects like mites and Emerald Ash Borers. We employ integrated pest management strategies combining natural controls with selective treatments to maintain ecological balance while eliminating threats to plant health.
Holiday Lighting
Professional holiday lighting installation creates stunning winter displays for residential and commercial properties. Our energy-efficient LED systems include design consultation, safe installation, and timely removal services to enhance seasonal curb appeal.
Mulch Delivery
Locally produced Supreme Organic Mulch improves soil health while reducing water usage. Our delivery service provides premium mulch products with lower environmental impact compared to imported alternatives, supporting sustainable landscaping practices.
People
Ralph Bronk
Owner
Founder Ralph Bronk has led Mountain High Tree since 1974, establishing it as a regional leader in sustainable landscaping. His vision combines environmental stewardship with technical excellence, ensuring continued growth while maintaining family business values.
Daniel van Starrenburg
Management Team
Daniel transitioned leadership responsibilities following the SavATree partnership while maintaining commitment to client relationships. His expertise ensures continuity in service quality and operational standards across all service lines.
Al Wegner
Colorado Springs Manager
Al Wegner manages the Colorado Springs branch with 20+ years of regional landscaping experience. He oversees local operations while maintaining alignment with corporate standards for service excellence and environmental responsibility.
Dave Entwistle
Sales Manager
Certified Arborist Dave Entwistle leads sales efforts, combining technical expertise with client-focused solutions. His team ensures accurate service assessments and customized proposals for both residential and commercial clients.
Kristina MacLean
Operations Manager
Kristina MacLean directs business operations with over 15 years in landscape industry management. She coordinates service delivery, staff training, and quality control to maintain consistent service standards across all departments.
Questions
What areas do you service?
We serve Metro Denver including Centennial, Highlands Ranch, Littleton, Cherry Hills, and Colorado Springs. Our service area covers both residential and commercial properties.
Are your arborists certified?
Yes, all our arborists hold current industry certifications through recognized programs. Our team includes multiple International Society of Arboriculture (ISA) certified professionals.
Do you offer emergency tree services?
While we don't provide 24/7 emergency services, we prioritize urgent tree care requests during regular business hours and offer prompt response for storm damage assessments.
What eco-friendly practices do you use?
We recycle 100% of tree debris, produce local organic mulch, use sustainable fertilizers, and implement integrated pest management to minimize environmental impact while maintaining landscape health.
How can I get a free inspection?
Contact us at 303.232.0666 to schedule a complimentary Emerald Ash Borer inspection. This service includes assessment of tree health and customized treatment recommendations when needed.
Do you provide commercial landscaping?
Yes, we offer comprehensive commercial services including regular maintenance contracts, property assessments, and seasonal enhancements for businesses and HOAs across our service area.
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