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Research-backed information on native species, storm damage prevention, and regional best practices for property owners across the Sooner State.
Complete Tree Service Oklahoma operated throughout the Oklahoma City metro area from 2016 to 2023, providing residential and commercial arboriculture services. Following our founder's retirement, we've transitioned this platform into a comprehensive educational resource.
Our goal is simple: share the knowledge accumulated over two decades of professional tree care with Oklahoma property owners, municipalities, and fellow arborists. Every guide, species profile, and regional recommendation draws from hands-on experience in Oklahoma's unique growing conditions.
This site receives no commercial sponsorship and operates independently. We link to resources from Oklahoma Forestry Services, OSU Extension, and the International Society of Arboriculture to ensure you're getting accurate, current information.
"After 23 years climbing trees across Oklahoma, I wanted to give something back to the community that supported my career. This resource is my way of ensuring that knowledge doesn't retire when I do."
— Dale Whitmore, ISA Certified Arborist (Ret.), FounderPractical, research-based information tailored to Oklahoma's climate, soil conditions, and common species.
Month-by-month guidance for pruning, fertilization, pest monitoring, and watering schedules optimized for Oklahoma's climate zones.
View Calendar →Oklahoma ranks among the highest states for severe weather. Learn structural pruning techniques and species selection to minimize storm damage risk.
Learn More →Visual guides for identifying oak wilt, bacterial leaf scorch, emerald ash borer, and other threats affecting Oklahoma's urban forest.
Identification Guide →Species selection, site assessment, and planting techniques for Oklahoma's alkaline clay soils and variable precipitation patterns.
Start Here →ANSI A300 standards explained in practical terms, with species-specific guidance for Oklahoma's most common shade trees.
Pruning Basics →Creating defensible space in Oklahoma's cross-timbers region. Understanding WUI zones and vegetation management protocols.
Fire Safety →In-depth profiles covering identification, care requirements, and common issues for trees native to and commonly planted in Oklahoma.
Quercus macrocarpa
Oklahoma's most drought-tolerant native oak. Excellent for alkaline soils, long-lived specimen reaching 300+ years.
Full Profile →Cercis canadensis
Oklahoma's state tree. Early spring bloomer, understory species thriving in partial shade throughout the state.
Full Profile →Carya illinoinensis
Oklahoma's state tree. Deep taproot system, requires well-drained soils. Commercial and ornamental cultivars compared.
Full Profile →Juniperus virginiana
Aggressive native species requiring management. Cedar-apple rust host, wildlife habitat considerations, removal guidance.
Full Profile →Quercus shumardii
Fast-growing red oak tolerant of Oklahoma's clay soils. Excellent fall color, urban street tree candidate.
Full Profile →Ulmus americana
Historic street tree decimated by Dutch elm disease. DED-resistant cultivars, identification, and management of existing specimens.
Full Profile →Taxodium distichum
Surprisingly adaptable deciduous conifer thriving in Oklahoma. Excellent longevity, tolerates wet and dry conditions.
Full Profile →Fraxinus pennsylvanica
Former urban favorite now threatened by emerald ash borer. EAB timeline, treatment options, and replacement planning.
Full Profile →Oklahoma spans multiple USDA hardiness zones and ecoregions. Our regional guides address specific conditions across the state.
Urban heat island effects, clay soil management, and species selection for the metro's microclimates.
Higher rainfall, oak-hickory forests, and acid soil considerations for northeastern Oklahoma.
Post oak-blackjack oak woodland management, fire ecology, and drought-adapted species.
Southern Oklahoma's longer growing season, pecan production, and bottomland species.
Extreme temperature swings, limited species selection, and windbreak establishment.
Southeastern Oklahoma's diverse forests, shortleaf pine management, and higher precipitation.
We recommend these organizations for additional research and professional guidance.