Business Details
50+ Years
experience
Professional Tree & Shrub Care Services
Keystone Tree Experts has been a trusted leader in tree and shrub care since 1968. Founded by Bob McMullin, a Penn State forestry graduate, we combine decades of hands-on experience with ongoing professional education to deliver exceptional horticultural expertise. Our team of ISA Certified Arborists and specialists provides comprehensive plant health care, including disease diagnosis, fertilization, pruning, and consulting services. We serve residential, commercial, and municipal clients across Bucks and Montgomery Counties, prioritizing proactive care and sustainable practices.With a commitment to community education and a family-like work environment, we maintain an impeccable reputation for integrity and technical excellence. Our 50+ years of service reflect a deep dedication to preserving tree health while building lasting relationships with clients and industry partners.
Services
Plant Health Care
Insect Control
Disease Management
Fertilization
Tree Pruning
Arborist Consulting
Details
- Year established: 1968
Highlights and features
- We employ ISA Certified Arborists with decades of local experience
- Our customized PHC programs prevent tree health issues proactively
- We provide educational resources for property owners and industry partners
- Our team includes municipal arborists trusted by local governments
- We combine scientific expertise with practical, cost-effective solutions
Associations and certifications
- International Society of Arboriculture (ISA)
What people say
Best in the field
Punctual and courteous
True experts
Excellent service
Cost-effective solutions
Services
Plant Health Care
Our Plant Health Care programs provide comprehensive monitoring and treatment for trees and shrubs. Certified arborists conduct seasonal inspections to detect early signs of disease, pest infestations, and nutrient deficiencies. Customized treatment plans utilize environmentally responsible methods to maintain plant vitality while addressing specific landscape needs in Bucks and Montgomery Counties.
Insect Control
Specialized insect control services target harmful pests affecting local tree species. Our certified technicians identify infestations through thorough inspections, then implement targeted treatments using the latest integrated pest management techniques. This proactive approach protects plant health while minimizing environmental impact across residential and commercial properties.
Tree Fertilization
Professional fertilization services deliver essential nutrients directly to root systems through deep root feeding. This method improves soil conditions, enhances plant resilience, and promotes healthy growth. Customized nutrient blends address specific deficiencies identified during property assessments for optimal tree and shrub development.
Tree Pruning
Precision pruning services maintain tree structure and health through proper branch removal techniques. Certified arborists eliminate dead wood, correct weak growth patterns, and reduce storm damage risks. This specialized care improves plant aesthetics while maintaining structural integrity for long-term landscape value.
Arborist Consulting
Expert consulting services assist with landscape planning, pre-construction tree protection, and property development. Certified arborists provide technical guidance for municipalities, property managers, and homeowners. Services include tree risk assessments, maintenance planning, and expert recommendations for preserving valuable landscape assets.
People
Bob McMullin
Founder
Founded Keystone in 1968 after six years in tree care. ISA-certified arborist with Penn State forestry background. Served as ISA chapter president twice and developed continuing education programs for industry professionals.
Herb Hickmott
Certified Arborist
1979 Delaware Valley College graduate with ornamental horticulture degree. ISA Certified Arborist and Pennsylvania Certified Horticulturist. Serves as Plumstead Township arborist with expertise in landscape design and pest control.
Joe Landes
Certified Arborist
2012 hire with expertise in plant identification and disease control. Central Bucks graduate and local resident. Provides arborist services for Upper Bucks area properties with technical precision.
Anthony Graham
Certified Arborist
2019 addition with 12 years pest control experience. Certified pesticide applicator in two categories. Recognized for customer service excellence and technical knowledge in Upper Bucks service area.
Lynne McMullin
Office Arborist
Chemical engineering graduate from Lehigh University. ISA Certified Arborist providing technical support since 1997. Primary office contact for tree care inquiries and diagnostic assistance.
Questions
What tree services do you offer?
We provide plant health care programs, insect/disease control, fertilization, tree pruning, and arborist consulting services for residential, commercial, and municipal properties.
Are your arborists certified?
Yes, all our arborists hold ISA Certification. Many team members have additional credentials including Pennsylvania Certified Horticulturist and municipal arborist appointments.
Do you serve commercial properties?
Yes, we work with commercial clients, condominium associations, landscape contractors, and municipalities across Bucks and Montgomery Counties since 1968.
How do I schedule service?
Contact us at 215-348-4444 or through our website contact form. Our office staff will coordinate service timing based on your property needs.
What areas do you cover?
We serve Bucks County including Doylestown, Newtown, and Yardley, plus Montgomery County locations like Lansdale, Blue Bell, and Souderton.
Can you help with emergency tree issues?
While we don't offer 24/7 emergency services, we prioritize urgent tree care requests during regular business hours for safety-related concerns.
