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27 Years
experience
Trusted Lawn Care & Pest Control in Ogden, Utah
Founded in 1999, Green Castle Lawn Care has established itself as a trusted leader in professional lawn and pest control services across Northern Utah. Our team of certified experts brings decades of combined experience and industry-specific knowledge to every project, utilizing sulfur-based fertilizers and eco-friendly solutions to promote long-term soil health and vibrant landscapes. With a commitment to personalized service, we conduct thorough soil analyses and tailor treatment plans to address unique lawn conditions, ensuring optimal results for residential and commercial clients.

Recognized as the Best of Utah 2024 Award Winner, we prioritize clear communication, 100% satisfaction guarantees, and sustainable practices that protect families, pets, and the environment while delivering award-winning results.
Services
Lawn Fertilization Weed Control Pest Management Lawn Aeration Soil Testing Snow Removal Lawn Renovation pH Balancing Overseeding Commercial Maintenance
Details
  • Year established: 1999
Highlights and features
  • 20+ years serving Northern Utah with customized lawn solutions
  • Eco-friendly, sulfur-based fertilizers for sustainable soil health
  • 100% satisfaction guarantee on all services
  • Certified professionals with local climate expertise
  • Award-winning service with thousands of 5-star reviews
Associations and certifications
  • Best of Utah 2024 Award
What people say
Professional and punctual Eco-friendly solutions Dramatic weed reduction Excellent communication Lush green results
Services
Lawn Fertilization
Our customized fertilization programs use sulfur-based formulas to improve soil health and promote vibrant growth. Soil testing identifies nutrient deficiencies, allowing precise application of nitrogen, phosphorus, and potassium tailored to your lawn's needs. This targeted approach creates thicker, greener grass that resists drought and disease while maintaining environmental safety for families and pets.
Weed Control
We implement multi-phase weed management combining pre-emergent barriers and targeted post-treatment solutions. Our specialists identify invasive species like crabgrass and dandelions, applying seasonally appropriate herbicides that prevent regrowth while protecting desired turf. Regular treatments create dense, uniform lawns that naturally resist weed colonization through improved grass density and root competition.
Pest Management
Our perimeter pest control creates protective barriers against ants, spiders, and lawn-damaging insects. Using eco-conscious formulations, we target both surface and soil-dwelling pests while maintaining beneficial insect populations. Regular inspections identify infestation risks early, preventing property damage and ensuring safe outdoor environments for children and pets through sustainable pest population management.
Lawn Aeration
Core aeration alleviates soil compaction to improve water, air, and nutrient penetration. Our mechanical aeration removes soil cores to create pathways for root expansion, reducing thatch buildup and enhancing drought resistance. This annual treatment promotes deeper root systems that sustain healthier turf during Utah's extreme temperature fluctuations while improving fertilizer absorption efficiency.
Soil Analysis
We conduct comprehensive soil assessments measuring pH levels, nutrient content, and compaction issues. Laboratory analysis identifies specific deficiencies, guiding customized treatment plans that balance soil chemistry for optimal grass growth. Regular testing ensures ongoing adjustments to fertilization programs, maximizing nutrient uptake while preventing over-application through data-driven lawn care decisions.
People
Zachary C. Holbrook
Founder & Owner
With over 25 years in lawn care, Zach established Green Castle in 1999 after extensive industry experience. He leads technical training and service innovation while maintaining hands-on client consultations.
Tara
Office Manager
Managing day-to-day operations since 2015, Tara coordinates service scheduling and client communications, earning recognition for exceptional customer service in client testimonials.
Questions
How often should I fertilize my Utah lawn?
Most Utah lawns benefit from 5-6 seasonal treatments between March-October. Our customized programs adjust frequency based on soil test results and grass type.
Are your treatments safe for pets and children?
Yes, we use sulfur-based fertilizers and eco-friendly pest control solutions that are safe when applied as directed, with temporary grass access restrictions communicated before treatments.
What's included in a free lawn assessment?
Our technicians analyze soil pH, grass health, pest activity, and irrigation patterns to create customized treatment plans during no-obligation property evaluations.
Do you guarantee results?
We offer a 100% satisfaction guarantee, with follow-up treatments provided at no extra charge if desired results aren't achieved through standard service programs.
How soon will I see improvements?
Visible greening typically occurs within 2-3 weeks, with full results from fertilization and weed control programs becoming apparent after 2-3 treatment cycles.