Roses forum→Rose problems

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Name: Daniel
Los Angeles (Zone 10b)
Nov 21, 2020 7:05 PM CST
Hello everyone,

I was looking in my parents rose garden and was wondering what happened? I was thinking that the new growth got sunburned or was attacked by fungus or because of the temperature changes?

How should I go about treatment?

I was thinking of just letting them be until it's time to prune before spring (:

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I think a big part of the problem is that there's a decent amount of roses stuffed into one spot allowed for fungus/insects to spread easily

Thank you for the help!
Hope you all are well!
[Last edited by Dciau1 - Nov 21, 2020 7:06 PM (+)]
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Name: seil
St Clair Shores, MI (Zone 6a)
Roses Garden Photography Region: Michigan
Nov 21, 2020 8:14 PM CST
The other thing it could be are chili thrips. If that's the case you need to take care of them ASAP! Since I don't have them here (please let it be too cold for them here) I don't know what you would need to do. Hopefully someone else will though.
Name: Daniel
Los Angeles (Zone 10b)
Nov 21, 2020 8:20 PM CST

Oh woah that definitely seems like a possibility that I hadn't considered
I need to research it
Thanks so much!
Name: Lyn
Weaverville, California (Zone 8a)
Garden Ideas: Level 1 Garden Sages Celebrating Gardening: 2015
Nov 21, 2020 9:04 PM CST
I know chili thrips are a problem in Socal, but also, I think I saw ashes on the leaves. If your parents home is near the fires down there, or where the winds carry the smoke and ashes, that may be the problem.
I'd rather weed than dust ... the weeds stay gone longer.
Name: Daniel
Los Angeles (Zone 10b)
Nov 21, 2020 9:20 PM CST

I didn't think about that!

My parents are actually remodeling the house so I think it's likely wood chip dust and not ash but there's also fires around so that might also be a factor.

I think that Thrips might be a likely reason for the damaged foliage because based on google pictures, thats exactly the problem i've been having with my parents roses. I'm probably going to do an insecticide spray tomorrow morning and see if that helps.
Zone 9, Sunset Zone 9 (Zone 9b)
Nov 28, 2020 10:05 AM CST

It is important to know what kind of thrip you may have. There are several. More common for us are citrus thrips.

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