I Have A Rhododendron That Looks Very Sorry. See Pictures Attached. Others In The Area Are Flowering Well.

Question

It did not flower last year and this year 75% is withering. The remaining part seems to be struggling

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Answer 1

I can't tell if this is a new planting, or if those are underground animal tunnels around the shrub. I would guess the latter, given the nature of the wilting.

It looks like the root was damaged, either, by a tunneling animal or similar.

Here are some articles that will help:

https://www.gardeningknowhow.com/plant-problems/pests/animals/vole-control.htm

https://www.gardeningknowhow.com/plant-problems/pests/animals/get-rid-groundhogs.htm

https://www.gardeningknowhow.com/plant-problems/pests/animals/vole-control.htm