Ask a Question forum: What causes this on honeysuckle?

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Name: J.C. S.
Kansas (Zone 6b)
Sempervivums Sedums Lilies Garden Ideas: Level 2
May 7, 2014 7:45 PM CST
Are these deformed, curled and rolled leaves and lack of new growth on Major Wheeler honeysuckle (Lonicera sempervirens) a fungal issue or something else?
What is the best way to treat or prevent this?

Thanks for any help!

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Name: Ann ~Heat zn 9, Sunset
North Fl. (Zone 8b)
Garden Sages Native Plants and Wildflowers Xeriscape Organic Gardener I was one of the first 300 contributors to the plant database! Garden Ideas: Master Level
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May 7, 2014 8:11 PM CST
I'm going to say it's getting either too much water or not enough. Were these cuttings you took? Are they well rooted?

Where are they placed? In a window where the glass magnifies the light & is burning them? Speaking of burning..... how have you been feeding them -- with what?
I am a strong believer in the simple fact is that what matters in this life is how we treat others. I think that's what living is all about. Not what I've done in my life but how I've treated others.
~~ Sharon Brown ~~

Name: J.C. S.
Kansas (Zone 6b)
Sempervivums Sedums Lilies Garden Ideas: Level 2
May 7, 2014 8:31 PM CST
I have a bunch of Major Wheelers that are all in different locations (indoors, outside in ground, outside in pots, etc.) receiving different amounts of light and water and they are all doing the same thing. They are all small rooted plants. I fed some with Quick Start and some with straight water. My PH and soil is good; all variables are getting the same result. There is no longer any new growth on any of them, and leaves and plants are dying to varying degrees.

Please help! Sticking tongue out
Name: Elaine
Sarasota, Fl
The one constant in life is change
Cat Lover Master Gardener: Florida Tropicals Multi-Region Gardener Vegetable Grower Region: Florida
Herbs Orchids Birds Garden Ideas: Level 2 Garden Sages Celebrating Gardening: 2015
May 7, 2014 9:59 PM CST
What about humidity? You might try enclosing one in a large plastic bag (mini-greenhouse style) for a few days and maybe put a tray of pebbles or perlite inside the bag with water to create a humid environment. It might help the leaves to re-hydrate and get going again. There again, if it is a fungal situation it will make matters worse. But at least it will provide some info.

If it works, I'd gather all the plants in one area and see if you can keep them humidified for a while. Hanging wet towels in a small enclosed room can boost humidity really well for a short time. When you get the windows fogging up, you know you're winning.

Have you tipped one out of its pot to check out the roots? Look at them with a magnifying glass if you can. That might shed some light on the problems, too.

"Success is stumbling from failure to failure with no loss of enthusiasm." –Winston Churchill
Name: J.C. S.
Kansas (Zone 6b)
Sempervivums Sedums Lilies Garden Ideas: Level 2
May 7, 2014 11:32 PM CST
I'm not sure if it is lack of humidity, the leaf deformation (in the first picture) and lack of new growth is more common than the leaf rolling. If I have time, I'll take pictures of in-ground plants tomorrow when it's light out to show the issues more clearly.

I examined the roots, but didn't notice anything amiss.
(Zone 6a)
May 8, 2014 4:59 AM CST
Do you think it could be leaf blight?
Name: J.C. S.
Kansas (Zone 6b)
Sempervivums Sedums Lilies Garden Ideas: Level 2
May 8, 2014 10:42 AM CST
Thanks, after doing more research I think you might be right. It could be a "honeysuckle leaf blight."

It appears that a copper-based fungicide might be the most effective way to treat this. Does anyone know if I'm correct or if there is a better solution to treat this with?

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