Links and websites with more information for Tree Nuts like us!*

Graphics are previews and are linked to their respective pages. Please notify us if you find a broken link. Thank you! Enjoy.

  1. Abiotic Diseases Of Woody Ornamentals

  2. Abiotic Plant Disorders. Symptoms, Signs and Solutions. A Diagnostic Guide to Problem Solving

  3. America In Bloom
  4. American Forests  Protecting and restoring forests for life.

  5. American Phytopathological Society (APS) APS is a nonprofit professional, scientific organization dedicated to the study and control of plant diseases.

  6. Amish America
  7. Amish Country Ohio.
  8. Amish Country Insider
  9. Amish Country Ohio. Charm Countryview Inn.
  10. Ammon Nursery
  11. Anatomy of a Tree

  12. Animal damage

  13. Appraisal: Indiana Guide for Rating for Landscape Trees
  14. Appraisal: Ohio Guide for Plant Appraisal, 8th Edition
  15. Appraisal: Tree Appraisal and the Value of Trees article
  16. Appraisal: Tree Valuation Kentucky. Valuations by Botanical Name.
  17. Arboretums and Botanical Gardens. Arbor Doctor Virtual Arboretum   

  18. Arboretums and Botanical Gardens. Arnold Arboretum
  19. Arboretums and Botanical Gardens. Baker Arboretum, Western Kentucky University.
  20. Arboretums and Botanical Gardens. Bernheim Arboretum and Research Forest
  21. Arboretums and Botanical Gardens. Biltmore House Gardens and Grounds
  22. Arboretums and Botanical Gardens. Boone County, Kentucky Arboretum  
  23. Arboretums and Botanical Gardens. Calloway Gardens
  24. Arboretums and Botanical Gardens. Chadwick Arboretum
  25. Arboretums and Botanical Gardens. Cincinnati Zoo and Botanical Gardens
  26. Arboretums and Botanical Gardens. Cox Arboretum | Five Rivers MetroParks
  27. Arboretums and Botanical Gardens. Dawes Arboretum
  28. Arboretums and Botanical Gardens. Fellows Riverside Gardens, Mill Creek MetroParks, Youngstown, Ohio.   
  29. Arboretums and Botanical Gardens. Holden Arboretum
  30. Arboretums and Botanical Gardens. Longwood Gardens
  31. Arboretums and Botanical Gardens. Minnesota Landscape Arboretum. The Arboretum features more than 1,215 acres of magnificent gardens, model landscapes, and natural areas – from woodlands and wetlands to prairie – with extensive collections of northern-hardy plants.
  32. Arboretums and Botanical Gardens. Missouri Botanical Garden Virtual Arboretum.
  33. Arboretums and Botanical Gardens. Morton Arboretum  
  34. Arboretums and Botanical Gardens. North Carolina Arboretum
  35. Arboretums and Botanical Gardens. Plantplaces Virtual Arboretum.
  36. Arboretums and Botanical Gardens. Rowe Arboretum, Indian Hill, OH.
  37. Arboretums and Botanical Gardens. Spring Grove Cemetery and Arboretum.
  38. Arboretums and Botanical Gardens. University of Kentucky Arboretum.
  39. Arboretums and Botanical Gardens. US National Arboretum.
  40. Arboricultural Association
  41. Arboricultural consulting: American College of Forensic Examiners is a professional society of forensic examiners.
  42. Arboricultural consulting:  National Forensic Center locates expert witnesses and consultants.
  43. Arboricultural consulting: Technical Advisory Service for Attorneys is an expert witness referral service.

  44. Arboricultural consulting: is a regularly updated site with information on statutes and court decisions related to arboriculture law and matters of neighbor law.

  45. is a hub for the arboriculture industry in the UK.>>>
  46. Arched Trellis for 30 Dollars | Vertical Gardening
  47. Artillery Fungus – Frequently Asked Questions (FAQ)
  48. Asian Giant Hornet Online Reporting Portal:
  49. Bald cypress knees: Remove cypress knees in your landscape
  50. Basic Tree Risk Assessment
  51. Bats  
  52. Why bats matter.
  53. Big Pumpkins
  54. Biochar: A Game Changer For Soils
  55. Biochar:
  56. Biomechanics

  57. Biomechanics: Assessing & Managing Branch Junctions in Trees (Dr. Duncan Slater)
  58. Biomechanics: Technical Tree Inspection Dr. Frank Rinn
  59. Bioswales
  60. Birch Tree Maryland Extension Fact Sheet
  62. Branch shedding (cladoptosis) – what and why?

  63. Buckeye Yard and Garden LineImage result for Buckeye Yard and Garden Line
  64. Bug of the Week
  65. Burls>>>
  66. Burlap left on trees is harmful. Garden Professors
  67. Busy Bee Services Ltd., northeast Ohio. Leaves last a season. Trees last a lifetime. Mark J. Hoenigman, President
  68. C. Wayne Ellett Plant and Pest Diagnostic Clinic (CWEPPDC)
  69. Cabling trees (for information only. Not a service provided by Arbor Doctor)

  70. CAGIS Hamilton County property mapping system
  71. Cankers of Hardwood Deciduous Trees. Annual Cankers, Perennial Cankers, and Diffuse Cankers
  72. casebookofdrslater Incredible insights from Dr. D.R. Slater>>>

  73. Cavity Conservation Initiative. The Cavity Conservation Initiative promotes the safe retention of dead and dying trees to ensure the future of cavity-nesting wildlife and to enrich forest diversity.
  74. Cherry tree diminished life span due to grafting
  75. Chilling Hour requirements by type of fruit
  76. Chlorinated water and tree damage
  77. Cicada Killer Wasp  |  PDF
  78. Cicada Mania
  79. Cicadas. Mt. St. Joseph University.   
  80. Cicadas, Periodical Cicadas in Kentucky  |  PDF   
  81. App for tracking cicada emergence:
  82. Cincinnati Fire Museum. Arbor Doctor supports and honors our first responders.
  83. Cincinnati Museum Center at Union Terminal:  
  84. Cincinnati Nature Center – home  Our award-winning trails, in two locations, wind through the region’s natural habitats of Eastern deciduous forest, fields, streams and ponds. Rowe Woods, located in Milford, Ohio, spans over 1,016 acres (including 65 acres of old growth forest) and offers more than 16 miles of hiking trails.   
  85. Cincinnati Police Museum. Arbor Doctor supports and honors our men and women in law enforcement.   
  87. Civic Garden Center of Greater Cincinnati   

  88. Climbing Spikes, Don’t Use When Pruning (Live) Trees
  89. Coast Redwoods Ecology and Management
  90. CODIT. Compartmentalization Of Decay In Trees. Ground breaking research by Dr. Alex Shigo.
  91. Columbus Park of Roses
  92. Composting
  93. Construction – Critical Root Zone
  94. Construction: Dangers of Root Disturbance
  95. Construction: Tree Preservation from Colorado State University. Reducing tree (and soil!) damage.
  96. Coppicing. The Lost Art of Coppicing Trees.
  97. Crimes Against Horticulture: When Bad Taste Meets Power Tools   
  98. Critical temperatures for fruit flower buds
  99. Cypress Knees: An Enduring Enigma (Arnold Arboretum)
  100. Cypress Knees: Lewis Ginter Botanical Garden
  101. Cypress Knees: The Knees of Taxodium distichum
  102. Cypress Knees: We speak for the knees   
  103. Dave’s Garden! Search over 160,000 plants. Members can chat with other gardeners in our 144 active forums, identify plants, pets, birds, and butterflies.  
  104. Dawn redwood history.
  105. Dawn redwood trees. Crim Dell Meadow. College of William and Mary.
  106. Deep roots: Planting a tree successfully requires the correct planting depth>>>
  107. Deep Roots–Planting With A Flare
  108. Deer (plants not favored by)
  110. Deer: Landscape Plants Rated by Deer Resistance>>>
  111. Deer Product Recommendations
  112. Deforestation By Design ™ Changing Our Unsustainable Course. “Doing things the same way yields the same results.”
  113. Deforestation By Design, A Tree Doctor’s Observations
  114. Deforestation By Design, Architectural Failures
  115. Deforestation By Design, “Designing” The Urban Forest European Arboricultural Council
  116. Detective Dendro podcasts
  117. Dihydrogen monoxide website. Welcome to the web site for the Dihydrogen Monoxide Research Division (DMRD), currently located in Newark, Delaware. The controversy surrounding dihydrogen monoxide has never been more widely debated, and the goal of this site is to provide an unbiased data clearinghouse and a forum for public discussion. Note: A joke website which makes a great point. Anything can be made to sound scary, even Dihydrogen Monoxide. Also, very funny.
  118. Drought
  119. Ecosystems

  120. Entomology: Relax, I’m An Entomologist.
  121. Extreme cold impacts on fruit crops
  122. Fall Colors. US Forest Service
  123. Fall Colors Arriving
  124. Fall Colors photos
  125. Fall Colors Progression
  126. Fall Foliage Ohio   
  127. Fall needle drop: A natural phenomenon in conifers>>>
  128. Fall wildflowers
  129. Fernald Nature Preserve
  130. Fernald Nature Preserve schedule of events and nature programs.
  131. Ferns
  132. Ferns of Ohio basic ID and morphology
  133. Finesse GVH

  134. Fire Damaged Trees, How To Evaluate>>>  This article is from California but includes very good information.
  135. Firs for Ohio: Who Ya Gonna Believe? | BYGL


  137. Garden Catalogues and Resources:
  138. Garden Catalogues and Resources: 
  139. Garden Plant Finder
  140. Garden Professors…Advancing the science of Gardening and other stuff since 2009. Pretty good information despite the occasional snooty attitude.
  141. Gilb LandscapingCincinnati Landscaping
  142. Girdling Roots
  143. Girdling Roots: A Practitioner’s Guide to Stem Girdling Roots of Trees
  144. Girdling Root Removal
  145. Goldenrod Allergy Myth. Sharing the same flowering period as the culprits, they are labeled guilty by association.
  146. Grasshopper Landscaping, LLC
  147. Greater Cincinnati Big Tree Hunters Facebook Group
  148. Green City Resources is a Cincinnati / Northern Kentucky based, woman owned landscaping company, specializing in the design, installation and maintenance of stormwater management systems; Green roofs / vegetated roofing, roof gardens, rain gardens / bioretention, rainwater collection / rain water harvesting.   
  151. Growing degree days
  152. Growing degree days and Phenology  
  153. Growing Degree Days and Phenology for Ohio Image result for ohio phenology
  154. Growth Retardants: A Promising Tool for Managing Urban Trees
  155. Hardiness Zone Map   
  156. Hemp: Kentucky Girl Hemp (Rose Seegar). These products are legal in all 50 states. Arbor Doctor in no way endorses illegal drug use.
  157. Historic Tree Care
  158. History in your own back yard…
  159. History
  160. Holscher and Hackman Garden Center 
  161. Homeowner’s Association Tree and Natural Resources Stewardship Manual:  
  162. Hummingbird Central   
  163. Hungry Pests Website
  164. serves as the primary nexus for research on hydrocephalus, a condition defined by an abnormal, excessive accumulation of cerebrospinal fluid (CSF) within the cavities of the brain. Hydrocephalus affects over 1 million people in the U.S. alone. Approximately 1-2 babies for every 1000 births are born with hydrocephalus, but anyone can get hydrocephalus at any time through a brain injury or infection, among other reasons, or as part of the aging process. Arbor Doctor managing director Ron Rothhaas has had this condition since birth. Donate.
  165. Hydrocephalus F.A.Q.’s
  166. Hydrocephalus. Stay In The Arena. Website and blog of Amy Thomas.
  167. Tools for Assessing and Managing Community Forests
  168. International Tree Care Standards: Why So Different?
  169. Invasive Plants Of Concern In Ohio-Ohio ODNR
  170. Invasive species-Amur honeysuckle   
  171. Invasive species-Amur honeysuckle. 32 ways to kill Amur honeysuckle
  172. Invasive species-Asian Jumping Worms
  173. Invasive species-Autumn olive
  174. Invasive species-Callery pear (Bradford, Aristocrat, Cleveland Select, etc.)   
  175. Invasive species-Canada thistle
  176. Invasive species-Garlic mustard
  177. Invasive species-Giant hogweed
  178. Invasive species-Japanese knotweed
  179. Invasive species-Japanese stiltgrass
  180. Invasive species-Johnson grass
  181. Invasive species-Kudzu   
  182. Invasive species: Kudzu Plant Its Uses and Control Methods
  183. Invasive species-Lesser Celandine
  184. Invasive species-Multiflora rose
  185. Invasive species-Oriental bittersweet
  186. Invasive species – Phragmites (Phragmites australis)
  187. Invasive species-Poison hemlock   
  188. Invasive species-Porcelain Berry
  189. Invasive species-Princess tree
  190. Invasive species-Tree of Heaven, Ailanthus, Princess tree
  191. Invasive species-Wild parsnips
  192. Invasive trees and plants
  193. Invasives: Pest Tracker
  194. ISA Board Certified Master Arborist® Code of Ethics
  195. ISA Certified Arborist Code of Ethics
  196. ISA- International Society of Arboriculture
  197. ISA- Careers In Arboriculture
  198. ISA- International Chapter and Affiliate Organization Index and websites
  199. ISA Indiana Chapter   
  200. ISA Kentucky Chapter   
  201. ISA Ohio Chapter   
  202. ISA Ohio Chapter Speaker’s Bureau
  203. Kentucky Native Trees and Shrubs
  204. Kentucky Pest News (KPN)
  205. Kentucky Plant Disease Diagnostic Labs
  206. Kentucky, University of,  Cooperative Extension Service. Nicole Ward Gauthier, Department of Plant Pathology blog
  207. Kentucky, University of,  Disease Management Information. Woody ornamentals publications
  208. Kentucky, University of,  Disease Management Information. Herbaceous ornamentals publications
  209. Kentucky, University of,  Disease Management Information. Greenhouse publications
  210. Kentucky, University of,  Disease Management Information. UK College of Ag’s online publications page (all departments)
  211. a webpage dedicated to sharing the music, the words, and the life of Rich Mullins. Through his song lyrics, musical arrangements, magazine articles, interviews, concert appearances, and personal interactions, Rich Mullins was able to touch so many lives in a multitude of different ways. Hopefully, by collecting the various expressions of Rich Mullins message for us, this webpage can allow his words and music to continue to touch our hearts for years to come. Although the messenger is no longer with us here on earth, the message itself remains as important and as true as it ever has been.
  212. The Lawn Care Nut
  213. Lazarus lizards in Cincinnati
  214. Lichens, NY Botanical Garden
  215. Lichens, US Forest Service. Comprehensive information page.   
  216. Lichens and Moss, Ohio Moss and Lichens Association   
  217. Lightning damage
  218. Lightning: Understanding Lightning & Associated Tree Damage>>>

  220. Lucy Braun: A Force for Nature
  221. Maple syrup Kentucky  
  222. Wassermann Landscape Design, LLC
  223. Melinda Myers  
  225. Mike Rowe Works Foundation.
  226. Milorganite Fertilizer. Since 1926, Milorganite has been beautifying lawns and landscapes. The all purpose, non-burning, slow-release nitrogen fertilizer feeds the plant and soil. Why use Milorganite®?

  227. Mitogrow Aqua 3-1A
  228. Moles:
  229. Moles: Facts from
  230. Moles: The Mole Man
  231. Moles: Cincinnati Mole Control
  232. Monarch Butterflies –   
  233. Monarch Butterfly | National Wildlife Federation   

  234. Monarch Butterfly Site: Life Cycle, Migration, Pictures, News…   

  235. Monarch Butterfly USA     

  236. Monarch Watch   

  237. Mulberry trees, identifying red vs. white
  238. Mulch: Arborist Wood Chips As A Landscape Mulch
  239. Mulch and Landscape Material Calculator (mulch, soil, pine needles)
  240. Mulch Depot
  241. Mulch Dos and Don’ts…The Strange Case of Dr. Jekyll and Mr. Hyde
  242. Mulch leaves into turf for a smart lawn –
  243. Mulch Madness
  244. Mulch Mowing Fall Leaves – Kansas State University

  245. Mulch: Proper Mulching Of Trees, Mulching trees and shrubs

  246. Mulching video:

  247. Mulch: Using ArboristWoodChips as Landscape Mulch | WSU …
  248. Mulch: What Is Growing in My Landscape Mulch? Mushrooms, Slime Molds, and Fungus
  250. National Forest Service, US
  251. National Parks An Essential Guide To Enjoying Responsibly
  252. National Park Service, US
  253. National Park Service Air Quality Web Cameras
  254. National Tree Benefit Calculator
  255. Natives:
  256. Natives: Arbor Doctor recommended native herbaceous plants and shrubs
  257. Natives: BONAP. Biota of North America Program. North American Vascular Flora   
  258. Natives: Cincinnati Zoo and Botanical Gardens Plant For Pollinators and Plant For Pollinators Challenge.  
  259. Natives: Ecobeneficial
  260. Natives: Grow Indiana Natives
  261. Natives: Indiana Native Plant Nurseries
  262. Natives: Kentucky Native Plant Society   
  263. Natives: Midwest Native Plant Society.    
  264. Natives: Milkweed Bug.
  265. Natives: Native Plants of the Ohio Region   
  266. GoNativesNow
  267. Natives Nursery: Dropseed
  268. Natives Nursery: Keystone Native Plant Nursery of Southwest Ohio
  269. Natives Nursery: Native Ohio Plants Nursery
  270. Natives Nursery: Ohio Prairie Nursery. Native seed.   
  271. Natives Nursery: Prairie Moon Nursery Minnesota. Native plants and seed.
  272. Natives Nursery: Prairie Nursery Wisconsin–Native plants and seed   
  273. Natives Nursery: 
  274. Natives Nursery:
  275. Natives Nursery:
  276. Natives: Ohio Native Plants Native Range Maps
  277. Natives: Wild Ones Greater  Cincinnati
  278. Native Grasses
  279. Native Perennials For Shade
  280. Native Perennials For Sun
  281. Native Shrubs Over 5′ 
  282. Native Shrubs Under 5′
  283. Native Plant and Tree Distribution Maps
  284. Native Plant Design: Denice Robertson
  285. Native Trees, Large
  286. Native Trees, Medium
  287. Native Trees, Small
  288. Native Vines 
  289. Natorp’s Nursery. Stop on by our conveniently located nursery and begin a unique and exciting journey. Our nursery houses over 1,000,000 plants and is the largest nursery in the area.
  290. Natural Bracing in Trees – ISA Article 2016
  291. Negativity Bias
  292. Oak Diagnosis and Management Recommendations   
  293. Ohio Champion Trees native and naturalized   
  294. Ohio Champion Trees non-native   
  295. Ohio Independent Arborist Association  
  296. Ohio Nursery and Landscape Association   
  297. Ohio Pesticide Safety Education Program
  299. Ohio State University Department of Horticulture and Crop Science Plantfacts 
  300. Ohio State University Extension Master Gardener Volunteer Program
  301. Ohio Trees
  302. Ohio Utility Protection Service
  303. Ohio Victory Gardens
  304. Ohio Woodlands Stewards Program
  305. Old Growth Forest Network. Creating a national network of old growth, protected forests. 
  306. Organic Air Tree and Shrub Care. Norwalk, Ohio.   
  307. Organic Approach   
  308. Organic Matter In Soil
  309. Our Daily Bread Devotional and Ministries   
  310. Outside Careers- Jobs In Arboriculture   
  311. Oxbow, Inc.
  312. Parasitic plants: Dodder
  313. Parasitic plants: Mistletoe
  314. Paw Paw trees:
  315. Paw Paw trees: Ohio Paw Paw Growers Association
  316. Peach Truck
  317. Permaculture:
  318. Permaculture  
  319. Piano Tuning and Repair:
  320. Planting along your stream, pond, or lake
  321. PlantPlaces Virtual Arboretum – Arbor Doctor top plant picks at Plantplaces and portal to rest of PlantPlaces site.
  322. Planting under power lines
  323. Plants that attract butterflies
  325. Poison ivy cleanser- Technu
  326. Poison ivy control
  327. Poison ivy treatment: Zanfel
  328. Pollarding: What is Pollarding? Tips on Pollarding a Tree
  329. Pollarding versus pruning, lopping and topping
  330. Pollinators: Denice Robertson
  331. Pollinators. Garden Buzz
  332. Pollinators. Ohio Bee Atlas
  333. Pollinators. Ohio State University Extension Bee Lab
  334. Pollinators: Ohio Trees for Bees
  335. Pollinators: Queen City Pollinator Project
  336. Pollinators: UK Entomology Research Reveals List of Bee Friendly Plants
  337. Pollinators: US Forest Service Pollinators Page.
  338. Pollinators: Woody Ornamentals for Bee Friendly Landscapes (Ohio Valley). Univ. of KY.bee, blur, bumblebee
  339. PolyPhosphite 30TM
  340. Project Drawdown: The world’s largest resource for climate solutions.
  341. Provenance Matters

  342. Prune ‘Knock Out’ Rose, How To | Southern Living
  343. Pruning deciduous shrubs
  344. Pruning French lilacs, How to…
  345. Pruning: Fruit Tree Pruning Basics
  346. Pruning: Proper Pruning Pays Off!
  347. Pruning: Rejuvenation Pruning: Tips For Hard Pruning Plants
  348. Pruning young trees

  349. Purdue Plant Doctor Apps
  350. Recommended Trees and shrubs for woodland, understory, and woodland edge planting from Arbor Doctor (Top Plant Picks)
  351. Recommended Trees, Shrubs, and Perennials from Arbor Doctor (Top Plant Picks)
  352. Resistograph
  353. Radio: 55KRC Cincinnati
  354. Radio 610WTVN Columbus
  355. Radio iHeart Radio
  356. Radio: Ron Wilson. In The Garden With Ron Wilson.   
  357. Red River Gorge:   
  358. Red River Gorge Guide
  359. Red River Gorge: Muir Valley
  360. Ron Wilson. In The Garden With Ron Wilson Facebook Page. Join us here for the Garden Party Saturday Morning chat from 6-9AM.Image result for about in the garden with ron wilson
  361. Ron Wilson. In The Garden With Ron Wilson Facebook Fan Group Page.
  362. Roundup (glyphosate) herbicide, is it dangerous?
  363. Rueve Landscaping   
  365. Safety is Critical
  366. Saratoga Tree Service Education Page, Blair Glenn ISA Certified Arborist.
  367. Sayler Park Sustains
  368. Shaker Village at Pleasant Hill, KY.
  369. SHIGO, ALEX L.: 1930-2006  “TOUCH TREES” People who have never dissected trees, should not be allowed to talk about trees. –Alex L. Shigo, PhD. Links: Shigo and Trees Website , Shigo Articles
  370. Snag. A standing dead tree, or dead tree parts>>>
  371. Snags: Dead Trees as Resources for Forest Wildlife>>>
  372. Snags. Dead trees provide vital habitat for more than 1,000 species of wildlife nationwide.>>>
  373. Snake species of Ohio at a glance
  374. Society of American Foresters (SAF) The Society of American Foresters (SAF) is the national scientific and educational organization representing the forestry profession in the United States.

  375. Society of Commercial Arboriculture (SCA) SCA is the premiere organization for individuals working in commercial and residential arboriculture throughout the world.

  376. Society of Municipal Arborists Leading the world in building the confidence, competence, and camaraderie of the family of professionals who create and sustain community forests.

  377. Soils, All about.
  378. Soils. My soil is crap. Or is it? A soils primer.
  379. Soil and Water Conservation, Butler County, OH
  380. Soil and Water Conservation, Hamilton County, OH   
  381. Soil compaction–the urban stress of death for shade trees (and landscape plants in general)
  382. Soil decompaction and amendment process for urban trees, Evaluation of. From Journal of Arboriculture and Urban Foresty.
  383. Soil Ecology, life under your feet.   
  384. Soil moisture maps.
  385. Soil temperature map>>>
  386. Soil Volume for Urban Trees>>>
  387. Solar:
  388. Solar:  
  389. Solar:

  390. Southern Gardening Television is a weekly, 1 1/2 minute television segment designed to air within Mississippi television newscasts. Segments are designed for persons interested in lawn and garden care. The show features Extension Horticulturist Gary Bachman and is produced by video producer Tim Allison.
  391. Spurious correlations
  392. State Parks Indiana
  393. State Parks Kentucky   
  394. State Parks Ohio
  395. State Parks South Dakota
  396. Storm Damage and Restoration Pruning: Latent Nodes as Natural Targets
  397. Storm Damage Prevention and Treatment
  398. Structural defects, Overview
  399. Structural defects, Bark inclusions
  400. Structural defects, Clustered branches
  401. Structural defects, Codominant stems   
  402. Structural defects, Cracks
  403. Structural defects, Hollow trunk
  404. Structural defects, Trunk bends or leans
  405. Structural defects, Opposite branches
  406. Structural defects, Over-extended limb
  407. Structural defects, Split trunk
  408. Structural defects, Up-sweeping branches
  409. Suckers: Stopping sucker sprouts on trees
  410. Sucker Punch® A plant growth regulator that stops suckers sprouting from roots and pruning cuts of ornamental trees, fruit trees and other woody plants. Lasts 6 months.
  411. Sudden Branch Drop Syndrome
  412. Sudden Summer Branch Drop
  413. Susceptibility of fruits and vegetables to cold temperatures
  414. Taking Root  

  415. Timber stand improvement Indiana
  416. Time-outdoors-improves-health-and-well-being
  417. Tools for Assessing and Managing Community Forests
  418.  TProperties
  420. Tree Benefits Calculator>>>
  421. Tree care before and after storms>>>
  422. Tree care for birds>>>
  423. Tree Fund Webinars>>>
  424. Tree Health Assessment Checklist
  425. Tree Lightning protection
  426. Tree Ordinance Guidelines
  427. Tree Pathologist Stephanie Adams
  428. Tree Pathology diagnostic resources
  429. Tree Preservation: The Canopy: Valuing and Managing Veteran Trees
  430. Tree Preservation: Collaborating on the preservation of an historic Hyde Park tree
  431. Tree Preservation, Learning From Old Trees, Artists, and Dead Poets   
  432. Tree Preservation. Managing Hazards and Risk.
  433. Tree Preservation, Pruning For Tree Preservation (Guy Meilleur)  (for information only. Not a service provided by Arbor Doctor)
  434. Tree Preservation: Reduction pruning comments by Guy Meilleur
  435. Tree Preservation, Response Growth After Pruning (Guy Meilleur)
  436. Tree Preservation, Retrenching Hollow Trees For Life (Guy Meilleur)(for information only. Not a service provided by Arbor Doctor)
  437. Tree Pruning. Reduction Vs. Thinning. Arborist Advice:
  438. Tree Risk Assessment. ANSI Tree Risk Assessment Standard Updated.
  439. Tree Root Damage from Lawn Mowers
  440. Tree root barrier: Biobarrier
  441. Tree roots: Surface Root Syndrome
  442. Tree Service.
  443. Tree Service. Adam’s Tree Service.
  • Tree Service.
  • Tree Service. Canopy Crew.
  • Tree Service.
  • Tree Service.
  • Tree Service. Shawnee Tree.
  • Trees, fun facts.
  • Tree Species Failure Profile for Trees Common to the Ohio River Valley  
  • Tree Topping, The Myth of
  • Tree Topping: Stop Don’t Top That Tree
  • Tree Topping: Topping Trees: A Prescription for Disaster
  • TreesAreGood.orgImage result for trees are good
  • Tree & Utility Conflicts – Right Tree Right Place
  • Trees and Your Health
  • Treeworks Environmental Practice
  • Tree wounds and wood decay of trees
  • Tree Wounds – Response of Trees and What You Can Do
  • Turfman Lawn Care
  • Twenty Questions Of Plant Diagnosis
  • Urban Forestry Toolbox, Ohio Division of Forestry
  • Urban Forest Diagnostics. Chris Luley PhD. 
  • Urban Forest Diagnostics. Chris Luley PhD. Publications
  • Urban Forest Diagnostics. Chris Luley PhD. Wood Decay Fungi in Landscape Trees
  • Urban Forest Diagnostics. Chris Luley PhD. Wood Decay Fungi of Living Trees:
  • Urban Forest Diagnostics. Chris Luley PhD.
  • Urban Wood Network
  • US Geological Survey
  • Utility Arborists Association (UAA) The Utility Arborist Association is the premier organization for individuals and companies who desire to provide professional utility arboricultural services. Members of the UAA and their employers have a commitment to the public to enhance the practice of arboriculture.

  • Venerable Trees, Inc, dedicated to the preservation of ancient trees in the Bluegrass and Nashville Basin.    
  • Vertical mulching of trees, how to.
  • Vineyard at Evergreen Farm. Coldwater, Ohio.   
  • Volcanoes: Alaska Volcano Observatory (AVO) covers volcanoes in Alaska from offices in Anchorage and Fairbanks, Alaska. AVO is a partnership among the U.S. Geological Survey, the Geophysical Institute of the University of Alaska Fairbanks, and the Alaska Division of Geological and Geophysical Surveys. The Scientist-in-Charge of AVO also coordinates the monitoring of volcanic activity in the Commonwealth of the Northern Mariana Islands, a U.S. Territory.
  • Volcanoes: USGS California Volcano Observatory (CalVO) covers volcanoes in California and Nevada from the USGS offices in Menlo Park, California.
  • Volcanoes: USGS Cascades Volcano Observatory (CVO) covers volcanoes in Washington, Oregon and Idaho, and is located in Vancouver, Washington. CVO coordinates with the Pacific Northwest Seismic Network, headquartered at the University of Washington in Seattle to provide seismic monitoring of volcanoes in the region.
  • Volcanoes: USGS Hawaiian Volcano Observatory (HVO) covers volcanoes in the state of Hawaii and is located on the Island of Hawai‘i in Hawaiʻi Volcanoes National Park.
  • Volcanoes: Yellowstone Volcano Observatory (YVO) covers the Yellowstone Plateau volcanic field and its caldera. The YVO is a consortium of 8 organizations: U.S. Geological Survey, University of UtahYellowstone National ParkUNAVCO (a non-profit university-governed consortium), University of Wyoming, and the state geological surveys of Idaho, Montana, and Wyoming. The Scientist-in-Charge of YVO also monitors volcanic activity in Montana, Wyoming, Colorado, Utah, New Mexico and Arizona.  
  • Voles – Penn State Extension

  • Walnut Juglone Toxicity and Tolerant Plants

  • Walnuts and Juglone Toxicity, maybe not?
  • Watering: How and when.
  • Watering Trees and Shrubs.
  • Weather links: See and page down.
  • WesternWildlifeCorridor

  • WHITE OAK GARDENS. 513-385-3313. WHITE OAK ENVIRONMENTALS. 513-385-4717. 3579 Blue Rock Road Cincinnati, Ohio 45247 »
  • Wildlife:
  • Witches’ broom
    Click for larger image Ball-shaped witches’-broom in a tree
  • Wood Ash in the Garden – MSU Extension

  • Woodpeckers and trees
  • Yellowjackets>>>
  • *Arbor Doctor performs pruning on landscape size trees and shrubs which can be reached from the ground or with a pole saw. Any links or articles regarding large tree pruning are provided for reference only and do not imply a provided service.