abbottanical.bsky.social
@abbottanical.bsky.social
This week we're celebrating the world's soils as we're settling into deep dormancy.

To celebrate, consider registering for the two live webinars that are offered this week to learn more about trees in your community.
Free ISA CEUs: Week of December 1, 2025
World Soil Day is coming up on Friday! Soils are the foundation of our plant communities and vital for the health of forests around the world. There are two live webinars for free ISA CEU training opportunities available this week. Wednesday, December 3rd Planting Ideas in the Urban Forest: 11:00AM-1:00PM Mountain Register Here Thursday, December 4th Planning with Intention: …
abbottanical.com
December 1, 2025 at 11:04 AM
Dormancy is in full swing this week and the ravens are preparing for winter. Enjoy the beginnings of seasonal rest with on-demand webinars for ISA CEUs this week.
Free ISA CEUs: Week of November 24, 2025
This week, there are no live webinars available, but the usual on-demand offerings are available below: Forestry Webinars The Webinar Portal, a product of Southern Regional Extension Forestry (SREF) and winner of the 2011 USDA Forest Service’s Two Chiefs’ Partnership Award, is a “multi discipline” web platform used to promote and deliver live and on-demand virtual events and webinars focused on forestry, agriculture, conservation, climate science and other natural resource disciplines.
abbottanical.com
November 24, 2025 at 11:05 AM
Double rainbows abound in Henderson, Nevada this week for the UCFS and Partners Conferences.

We're thrilled to spend this time reconnecting with the Mojave through the guidance of Creosote.

If you're not able to make it in person, check out these four live webinars available for CEUs!
Free ISA CEUs: Week of November 17, 2025
It's UCFS & Partners Conference this week in Henderson, Nevada! If you're not able to attend or want to squeeze in extra CEUs, there are four live webinars for free ISA CEU training opportunities available this week. Tuesday, November 18th Tree Talk Tuesday - Introduction to Young Tree Training: 11:00 AM – 12:00 PM Central Learn why architectural pruning is critical in the early years of a tree’s life and the 7 steps of young tree training.
abbottanical.com
November 17, 2025 at 11:06 AM
Five live webinars are available this week for free ISA CEUs. Remember, even if you aren't an ISA Certified Arborist, you can attend to learn valuable information about trees and their care.
Free ISA CEUs: Week of November 3, 2025
There are five live webinars for free ISA CEU training opportunities available this week. Tuesday, November 4th Optimizing Tree Responses to Root Pruning in Mature Trees @ 1pm Mountain This webinar will present the results of some new research on root pruning. Three years ago, the roots of 32 mature London plane (Platanus x acerifolia) trees growing in New Zealand, were cut, either leaving a stub, or making a reduction cut, back to a side root; half were pruned in Spring and half in Autumn.
abbottanical.com
November 3, 2025 at 11:27 AM
Autumnal sunsets are abundant while deciduous trees ready for winter's nap. Two live webinars are available for free CEUs on Monday and Wednesday this week.
Free ISA CEUs: Week of October 27, 2025
There are multiple free ISA CEU training opportunities available this week. Monday, October 27 @ 11am MDT Teaching With Video We are all being encouraged to use video to teach and reach our audiences. This session will give novices some quick “straight” shooting information and challenge you to learn the simple ways of video editing too. The presenter has gone from 0 to 360 in the last four years and enjoyed the ride immensely!
abbottanical.com
October 27, 2025 at 10:36 AM
We're at GSA Connects this week and enjoying learning new information about soils, dendrochronology, phytoliths and more!

Aside from the usual free ISA CEUs on-demand offerings, there is a live webinar on Wednesday about boxwoods and blight.

See y'all next week!
Free ISA CEUs: Week of October 20, 2025
There are multiple free ISA CEU training opportunities available this week. Monday, October 23 @ 11am MDT Herbal Distancing: Keeping Boxwood in Your Nursery Free from Blight Learn how your nursery production practices can impact boxwood blight risk and your potential for outbreaks. Whether you’re currently dealing with this disease or working to prevent it, understanding key risk factors is essential for protecting your entire boxwood inventory.
abbottanical.com
October 21, 2025 at 10:22 AM
There are three live webinars this week addressing various topics in arboriculture.

In other news, we'll be helping out boothing with an international non-profit (FAIME) during GSA Connects 2025 in San Antonio.

Send us an email if you're wanting to connect while we're in Texas!
Free ISA CEUs: Week of October 13, 2025
There are multiple free ISA CEU training opportunities available this week. Monday, October 13 @ 1pm ET Paddling Through Paradise: Educating on the Water Tuesday, October 14 @ 12:00pm CT Policy Strategies to Value and Retain Mature Urban Trees on Private Lands Wednesday, October 15 @ 6:30am CT Ergonomía / Ergonomics by Ranferi Lopez-Garcia, Pannell Co Forestry Webinars The Webinar Portal…
abbottanical.com
October 13, 2025 at 2:44 PM
Two free live webinars this week covering pests and the importance of urban forestry in our communities.

We'll be in San Antonio (starting next Friday) supporting work with an org at GSA Connects 2025! Hope to see you there!
Free ISA CEUs: Week of October 6, 2025
There are two free live and multiple on-demand ISA CEU training opportunities available this week. October 8 , 2025 Baldcypress Leafroller: What we Know and Where to Go @ 1:00 PM Eastern Register Here October 9, 2025 Urban Forestry is a Public Service @ 12:00 PM Eastern Register Here Forestry Webinars The Webinar Portal, a product of Southern Regional Extension Forestry (SREF)
abbottanical.com
October 6, 2025 at 10:09 AM
I presented at the 2025 ISA Rocky Mountain Chapter Annual Conference! For those of you who were interested in the content and were curious about additional resources, I've included my slides and the worksheet.

Beginning Dec 1, 2025, I'm accepting new clients & projects!
Teaching Trees: Community Science Education & Communication for Arborists
Teaching Trees WorksheetDownload Teaching Trees PresentationDownload isa_rm_chapter_2025_conference_agendaDownload
abbottanical.com
October 3, 2025 at 10:04 AM
Fall colors are on their way! There are two webinars this week and the usual on-demand offerings are still available.
I'm headed out to the 2025 ISA RMC as speaker this week. I'll be posting my presentation & worksheet, but it will only be available to current subscribers. Hope to see you there!
Free ISA CEUs: Week of September 29, 2025
There are multiple free live and on-demand ISA CEU training opportunities available this week. October 2 , 2025 Understanding the Lifespan of Urban Trees: 11:00 AM - 12:00 PM Central (GMT-5) October 2 , 2025 Career Compass: Level Up Your Leadership with Vision, Purpose, & Impact: 1:00 PM - 2:00 PM Eastern (GMT-4) Forestry Webinars The Webinar Portal…
abbottanical.com
September 29, 2025 at 10:43 AM
It's conference season, so pack in webinars to get those free CEUs before it's too late! There are three live webinars happening on Thursday that cover topics from pests to team management.
Free ISA CEUs: Week of September 15, 2025
Hey y'all it's conference season! I've got great news--I'll be speaking at the 2025 ISA Rocky Mountain Chapter Annual Conference on October 2nd! I hope to see you there! There's still time to register for the conference, which is being held in Breckenridge, Colorado this year. Remember: conferences are one of the best ways to get your CEUs at an affordable price and to connect with your colleagues.
abbottanical.com
September 15, 2025 at 10:15 AM
Explore adaptability like Boxelder, check out this week's live CEU offering about podcasting and continuing on-demand webinars on various arboriculture topics.
Free ISA CEUs: Week of September 8, 2025
There are multiple free live and on-demand ISA CEU training opportunities available this week. September 8, 2025 Leveraging Podcasts in Agricultural and Natural Resources Communication and Outreach @ 1:30 pm ET Register Now Free Cone Collection Training Must be an ISA Certified Arborist Colorado : 10 CEUs, Sept 13, 2025 Forestry Webinars The Webinar Portal, a product of Southern Regional Extension Forestry (SREF)
abbottanical.com
September 8, 2025 at 10:09 AM
An overlooked native plant, Ptelea trifoliata (Hoptree) can help fulfill biodiversity gaps in the urban canopy. Found in the Citrus family (Rutaceae), this tree is a host for many insects.

This week, three live webinars are available and many on-demand opportunities are too.
Free ISA CEUs: Week of September 1, 2025
There are multiple free live and on-demand ISA CEU training opportunities available this week. September 3, 2025 From Inventory to Insight: How Onward Uses Treeplotter to Power Greenspace Management @16:00 BST Register Now Biology and Management of Stem and Root Diseases of Southern Pines @1 pm ET Register Now Thursday, September 4 Safety Update - The New Z133 Standard @ 12:00pm ET…
abbottanical.com
September 1, 2025 at 10:36 AM
Mountain Ash, Sorbus scopulina, is found along rivers and washes in the Rocky Mountains. While you're thinking of collecting these berries this fall to make jelly, take a look at some of the seasonal Free Cone Collection Trainings with local organizations that are happening this Autumn.
Free ISA CEUs: Week of August 4, 2025
There are multiple free ISA CEU training opportunities available. Free Cone Collection Training Must be an ISA Certified Arborist Colorado : 10 CEUs, Sept 13, 2025 Forestry Webinars The Webinar Portal, a product of Southern Regional Extension Forestry (SREF) and winner of the 2011 USDA Forest Service’s Two Chiefs’ Partnership Award, is a “multi discipline” web platform used to promote and deliver live and on-demand virtual events and webinars focused on forestry, agriculture, conservation, climate science and other natural resource disciplines.
abbottanical.com
August 4, 2025 at 10:07 AM
Bristlecone pines are iconic ancestors of the desert--wise, high elevation species that have witness innumerable changes over millennia. What lessons do the trees have for you this week?

Check out Wednesday's live webinar on common pests & diseases in the US & many on-demand offerings for CEUS.
Free ISA CEUs: Week of July 28, 2025
Bristlecone pines are iconic ancestors of the desert--wise, high elevation species that have witness innumerable changes over millennia. What lessons do the trees have for you this week? There are multiple free ISA CEU training opportunities available this week. Wednesday, July 30, 2025 Common Pests and Diseases in the US Landscape @ 12:00pm MT Trees are an essential part of our urban and peri-urban landscapes.
abbottanical.com
July 28, 2025 at 10:11 AM
Frequently, we can't see the forest through the trees. Understory plants are critical to forest health, including saprophytic organisms like spotted coral-root.

There are many ISA CEUs available this week, so check 'em out!
Free ISA CEUs: Week of July 21, 2025
There are multiple free ISA CEU training opportunities available this week. Tuesday, July 22 Leveraging Data and Experience for Tree Equity 11:00am-12:00pm Mountain Tree benefits and disservices are tangible and have predictable influences on our community’s quality of life, health, wellness, and safety. Join our TREE Fund panel to learn how we can leverage data and community priorities to steer policy, planning, and programming towards more equitable urban forestry services.
abbottanical.com
July 21, 2025 at 10:19 AM
Cliffrose has been seeding over the last few weeks in my area; I love how glandular and hairy Purshia stansburiana is.

Learn about ArborJet this week for 2 CEUs and a live webinar from one of the world's leading experts in Urban Forestry with the Arbor Day Foundation.
Free ISA CEUs: Week of July 7, 2025
There are multiple free ISA CEU training opportunities available this week. Wednesday, July 9th* 9:00am-10:00am Mountain Arbor Day Foundation: Urban Forest Policies for Real Impact – An International Perspective This talk will help you in your own efforts to develop urban forest and green space policies and plans that will make a real difference. Register Here *It is unclear if CEUs are being offered, however it is a good opportunity to learn from an industry expert for free!
abbottanical.com
July 7, 2025 at 10:45 AM