Good Morning,

You've reached the Boulder County Extension Office. If you live in Boulder County we can help with your question.  Please provide a description of the issue and photos of both trees involved. Boulder County does have a tree team that can start the process of diagnosing the tree issues.  We have some questions:

1. Is the ash tree being treated for emerald ash borer?
2. What your specific concerns regarding the trees?
3. What is your zip code?

Thank you,
Master Gardener Help Desk.

Hi Sarah, 
   Are there any specific problems either of your trees are showing that you could describe to us?  You could also stop by our office with a sample. Or possibly send us a picture? 
   Our area has been affected by the Emerald Ash Borer. It is possible that your Ash Tree has been affected. Is it showing any signs of decline? 
    I'm sending you a link that discusses Emerald Ash Borer. There are several links within this link. I think it will answer many of your questions. Please take a look and email us back with any further questions. 
   If you do have disease or damage to your  tree, we could possibly set up a Tree Team Visit. You may also want to explore some form of treatment for Emerald Ash Borer to preserve your Ash Tree. But first, explore the link I have sent.

Thank you for the email. We look forward to hearing from you, The Boulder County Master Gardeners
   

Apologies for not including the link to EAB resources; here it is:
https://extension.colostate.edu/topic-areas/insects/emerald-ash-borer-resources/.
You should look for a thinning canopy once it leafs out and d-shaped insect exit holes on the trunk, which can indicate presence of the borer. 
Thanks for the photos; we cannot consider whether the trees have problems until they are leafed out. If you have further questions at that point, please get back to us, particularly if you'd like to schedule a master gardener tree team visit.

Boulder County Master Gardeners

Thank you

Hi Sarah, 

it looks like you had contact at couple of months ago and were waiting for the trees to leaf out. I read back and it looks like your question is if someone can assess general tree health and not also be in the tree cutting business. It looks like you did not receive the information on emerald ash borer even though from what you have sent and said there appears to be no indication.

Here is the handout link https://extension.colostate.edu/topic-areas/insects/recognizing-wood-boring-insects-of-ash-trees-in-colorado-5-620/
 
https://extension.colostate.edu/docs/pubs/insect/eab_faq_co_revised.pdf this has more information 

at this point you have the option of us referring your request to the diagnostic team who will assess if they refer to the tree team for a site visit, or you can find a certified Arborist to come assess your tree health. Usually if you make it known that you are wanting only an assessment they will honor that level of visit. 

Thanks for your patience as we get to see more photos you have sent. 

OK, I'll consider the alternatives you suggest and try to determine the best direction to head.  I appreciate your help.

On Wednesday, June 19, 2024, Ask Extension <<personal data hidden>> wrote:

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Dear phlparsons, here's the response to your question:

Hi Sarah, 

it looks like you had contact at couple of months ago and were waiting for the trees to leaf out. I read back and it looks like your question is if someone can assess general tree health and not also be in the tree cutting business. It looks like you did not receive the information on emerald ash borer even though from what you have sent and said there appears to be no indication.

Here is the handout link https://extension.colostate.edu/topic-areas/insects/recognizing-wood-boring-insects-of-ash-trees-in-colorado-5-620/
 
https://extension.colostate.edu/docs/pubs/insect/eab_faq_co_revised.pdf this has more information 

at this point you have the option of us referring your request to the diagnostic team who will assess if they refer to the tree team for a site visit, or you can find a certified Arborist to come assess your tree health. Usually if you make it known that you are wanting only an assessment they will honor that level of visit. 

Thanks for your patience as we get to see more photos you have sent. 

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Sounds good - please let us know if you have any other questions! 

Best wishes,
Boulder County Master Gardeners