Yellowing of Emerald Greens

Question: Good morning -
 I just submitted a question regarding the yellowing of my two huge yew trees.  I am also seeing yellowing in two of my Emerald Greens.  Please see photos attached.
I am ready to do whatever you advise to insure the health of my two yews and these emerald greens.
Thank you-
Marianne Handy Hraibi
1538 Main Street 
St. Johnsbury, VT 0581<personal data hidden>

responder: UVM Extension Master Gardener Program Volunteer  Replied June 22, 2023, 11:47 AM EDT
response: Dear Marianne:  Thanks for the pictures. When we spoke on the telephone today, you said that you had just noticed orange speckles on the yew's green leaves after you had been away for two weeks. The pictures show brown needles and some yellow-ish needles. Are the brown needles also new?  To determine what the problem is, we recommend that you send us some specimens of the affected needles. We attach a link that provides detailed instructions: https://www.uvm.edu/sites/default/files/Extension-Community-Horticulture/PDC_Specimen_Worksheet_fillable_form.pdf  Thank you.  Pat

responder: The Question Asker Replied June 22, 2023, 12:46 PM EDT
response: Thank you for your very quick response.  I am grateful.
The needles on my yew trees that caught my attention are the yellow/orange. (please see photo attached)  The yews have the mix of yellow/orange needles.
The emerald greens include some brown small branches but that is also normal after winter.   I had assumed the brown was within range for the emerald greens' normal pattern of changing seasons.  The yellow-orange leaves are what I am troubled by because they seem too late in Spring for the coloration to be from season-change.  I have no idea.
I will send samples.  I am just home from hip replacement surgery and so may not get to the post office for a few days.  I am not allowed to drive and I cannot walk that far yet.
Thank you.
-Marianne


________________________________________
From: ask=<personal data hidden> <ask> on behalf of Ask Extension <ask>
Sent: Thursday, June 22, 2023 11:47 AM
To: Marianne H. Hraibi
Subject: Re: Yellowing of Emerald Greens (#0106901)



Dear Marianne, here's the response to your question:

Dear Marianne:

Thanks for the pictures. When we spoke on the telephone today, you said that you had just noticed orange speckles on the yew's green leaves after you had been away for two weeks. The pictures show brown needles and some yellow-ish needles. Are the brown needles also new?

To determine what the problem is, we recommend that you send us some specimens of the affected needles. We attach a link that provides detailed instructions: https://www.uvm.edu/sites/default/files/Extension-Community-Horticulture/PDC_Specimen_Worksheet_fillable_form.pdf<https:>

Thank you.

Pat


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responder: Happy Gardening!  Replied June 29, 2023, 4:39 PM EDT
response: Hello Marianne, When you are ready, please do go ahead and send along some samples of the affected branch(es) so that our plant pathologist can take a closer look. Be sure to complete this form and include it with your samples: https://go.uvm.edu/pdcspecimenform

responder: The Question Asker Replied July 17, 2023, 8:06 AM EDT
response: Good morning, Pat -
Thank you so very much for your willingness to assist me regarding the yellowing of some needles on my two large yew trees/bushes.
I had contacted you after my return to St Johnsbury from surgery.     I was alarmed by the yellow/orange coloring.  Since surgery I have not been able to drive and so have not been able to send samples as I could not get to the post office.  In the meantime, the yellowing/orange has all but disappeared.  It looks as though the rains have helped my yews (even as they have regrettably ravaged so much of Vermont!!).  The two yews are green and are showing signs of new growth.   For now, I will not disturb you further.  I do very much appreciate your wonderful service and am most grateful that we all can depend upon your help and insights when we are in need.
Thank you.
I am wishing you a good day-
-Marianne H. Hraibi
 1538 Main Street
 St. Johnsbury, VT 0581<personal data hidden>

________________________________________
From: ask=<personal data hidden> <ask> on behalf of Ask Extension <ask>
Sent: Thursday, June 22, 2023 11:47 AM
To: Marianne H. Hraibi
Subject: Re: Yellowing of Emerald Greens (#0106901)

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responder: Happy Gardening!  Replied July 17, 2023, 9:29 AM EDT
response: Hello Marianne, Thank you again for reaching out to us. I'm glad to hear that your yews have improved.  Contact us again if you have additional questions.