Ask a Question forum→Sweet Viburnum shrub issue in South Louisiana

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LA
Cloudjc
May 25, 2020 8:28 AM CST
Hello,
I have 30 sweet viburnum planted as hedges around the perimeter of my backyard. They were all about 3 feet in height at time of planting two years ago. All seem to be thriving! Different sun exposure is evident by the height difference around the yard ranging from 3 1/2 ft to 8 or 9 feet tall! The problem is that 3 of them don't seem to be as healthy as the rest; and they are next to each other in the row. They started with new growth later than the rest of them even though they get a lot of sun, mostly in the afternoon.

The real problem child is the one that has new growth that is a reddish color; all others are light green.

Pictures attached. One is showing the difference in height as compared to adjacent shrubs and two others are close ups of thriving with normal growth and the one with issues, not thriving and reddish new growth. (I did reach out to our local LSU extension without luck.)

Note: there is a SL collection sweet viburnum with cooper leaves...but it doesn't look the same as pics I found online.

Can you help? I appreciate any advise you can give. Thank you!

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Name: one-eye-luke US.Vet.
Texas (Zone 8a)
Quitter's never Win
Hummingbirder Birds Organic Gardener Dog Lover Cat Lover
oneeyeluke
May 26, 2020 3:02 AM CST
Have you fed them any fertilizer? Do you put a lot of tap water on them from the water hose? Do you know what the soil pH is?
NOT A EXPERT! Just a grow worm! I never met a plant I didn’t love.✌
LA
Cloudjc
May 28, 2020 9:55 AM CST
Good morning oneeyeluke, thank you for trying to help me figure this out.
The soil is very alkaline according to my water/light/ph meter...needle all the way to last number, which is 8 on the meter. I feed with osmocote and use tap water only if in drought conditions. I supplemented the feeding several weeks ago with all-purpose Miracle-Gro. I'm wondering if disease could be causing the reddish coloring of new growth and slower growth? So odd that only one out of thirty sweet viburnum is having these issues.

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