David S Vandergriff

[David S Vandergriff @DSVandergriff]

@vtarborist Very sad to hear, a tragic loss.

[David S Vandergriff @DSVandergriff]

@UTPlantDoc @tnturfman A great group of Extension professionals, I am thank for having the opportunity to work with all. I hope each of you enjoy retirement as much as I have. Best wishes to all!

[Eric Wiseman @vtarborist]

Yes, you can save lives by planting trees. "For a study published last month in Frontiers in Public Health, researchers looked at 35 metropolitan areas within the U.S. Increasing urban greenery could save lives of tens of thousands of older adults." https://t.co/JYge1xntM3

[The Bees In Your Backyard @BeesBackyard]

Our newest book “Common Bees of Eastern North America” comes out later this month. To celebrate we decided to give some books away. #giveaway

How to enter:
1. follow us on twitter
2. retweet this announcement

We will select a winner in 1 week (Wednesday September 15th).

[David S Vandergriff @DSVandergriff]

@treevangelist Congratulations

[In Defense of Plants @indfnsofplnts]

"Conifers first appeared around 300 million years ago, but many have also gone extinct, and understanding those extinct forms is crucial to learning their long evolutionary history." 🌲🌲🌲
https://t.co/usncVvQquT

[LoraxFren @ArborDrone]

Have seen little mention of this recent story. Scientists have found a set of root systems in a quarry in New York State (USA) that pushes back the date of the oldest known #forest system, to ~386 MYA:

https://t.co/WhgvqocBs1

[David S Vandergriff @DSVandergriff]

Day 1 of American Forests Champion Tree Program for our UT student interns who will be measuring the East Tennessee Champion Trees. Thanks Bob Leverett for sharing your knowledge with our students.

[David S Vandergriff @DSVandergriff]

ISA Southern Chapter President Beau Brodbeck kicking off our 77th Annual Conference.

[David S Vandergriff @DSVandergriff]

Thank you #ISATexas for a great educational program! Proud to be #ISATexasWildfireRiskReductionQualified ! Hope to bring this to #IsaSouthernChapter .

[TX Chapter ISA @ISA_Texas]

Great to see so many #treeprofessionals joining forces to keep Texans safer. #Wildfire Risk Reduction Qualification and they earn @ISArboriculture #CEUs

[David S Vandergriff @DSVandergriff]

Day 2 of #ISATexas Wildfire Risk Reduction Qualification. Great program, hope to see it soon in #ISASouthern.

[David S Vandergriff @DSVandergriff]

Great City of Knoxville Arbor Day celebration at West View Elementary today, Smokey Bear helped us celebrate.

[David S Vandergriff @DSVandergriff]

Talking #HoneyFair #NewHarvestParkFarmersMarket @WBIR @liveat5at4 today.

[David S Vandergriff @DSVandergriff]

Promoting Knoxville 2019 at #ISAColumbus #knoxrocks

[David S Vandergriff @DSVandergriff]

Arbor Day celebration at the University of Tennessee, our first as a Tree Campus USA. Not the first one in Tennessee, but the largest.

[David S Vandergriff @DSVandergriff]

Final session in St. Louis, it's been great.

[American Forests @AmericanForests]

"9 benefits of trees and #forests in cities https://t.co/U395A9s8yY" RT @FAOForestry

[David S Vandergriff @DSVandergriff]

Great day for an outdoor lunch with Debbie, Mel, and grand kids under the canopy of this great old tree with a support system for its large limbs.

[American Forests @AmericanForests]

"Time spent amongst trees is never time wasted." RT @ecotherapist