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I bought this rose from David Austin last year

https://www.davidaustinroses.com/us/the-poet-s-wife-shrub-rose

Every since it was fine until I check it today in May 25 (I am in Pacific Northwest)

enter image description here

It was like burning on top and the rose head dropped out. Everywhere else is fine except that branch. So something delibrately attacked that area.

Is it an animal? Bug? What is the cause?

UPDATE

I have another rose and it did similar thing:

enter image description here

This one is climbing rose. So is it because it's too tall and cannot support itself?

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  • The rosebud damage looks like aphids, but surely they should still be around.
    – Polypipe Wrangler
    Jun 9, 2020 at 7:11

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I believe this is caused by a disease called rose rosette:

https://agrilifeextension.tamu.edu/library/landscaping/rose-rosette-disease-demystified/

My best understanding is 1) it can't be cured/fixed; 2) plant is a total loss and need to be quickly removed, or 3) it will spread to all other rose plants in the general vicinity (if it hasn't already).

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  • I am not sure if this is the case. My plant grew back up again. From other reading, this seems to be caused by lack of nutrient like calcium. I don't know. What I know is that in Pacific Northwest we have a lot of rain and the nutrient got flushed down with the water like toilet.
    – HP.
    Jun 21, 2020 at 9:17

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