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Roses help

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Roses help

Post  Dunkinjean on Fri 18 May 2012 - 21:15

I know roses may be a bit off topic, but I consider them like my flowers.

I bought knock-out roses last year. They did well for awhile and then suddenly something started eating the leaves quickly! I tried a couple of things; marigolds next to them, sprayed with Safer product. Eventually they were very sickly and I just let them go.

Well, this year they were growing very well and now have flowers. But Lo and Behold - again!!affraid Something is eating the leaves - I am just not sure what it is since I do not see any bugs. But I believe it has to be bugs and not a virus?

A few days ago I tried the remedy of baking powder, water and liquid dish soap. Unfortunately, the leaves are still being chewed up.

Should I try the Safer product again or try something else?

Please help...

Tks

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Re: Roses help

Post  llama momma on Fri 18 May 2012 - 21:55

My knock out rose bush is 3 to 4 years old and currently has new reddish leaves about to unfurl. There are lots of older leaves that look really bad. I don't see bugs. I'm going to put some compost and worms casts around it and water it in well, just in case it's a nutritional issue and give the new leaves a boost. I'm wondering if the early hot spell then freezing temps damaged older leaves, maybe yours too? Later, when the Japanese beetles come out, oh boy, another battle is on....

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Re: Roses help

Post  walshevak on Sat 19 May 2012 - 4:31

I wish I could help with an organic method, but the only way I have ever been able to get a nice healthy looking rose bush to grow is with the systemic rose feed and insecticide granules. I stopped using it last spring and have a sickly black spotted yellow leafed bush. But it does have some pretty blooms. I figger the japanese beetles will strip off the leaves when they arrive.

Blaze climber



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Re: Roses help

Post  Dunkinjean on Sun 20 May 2012 - 22:07

Well, since the roses are looking worst and something is feasting on the leaves, I decided to try the Safer 3 in 1 concentrate that you mix with water.

I sprayed all my roses today. It is suppose to rain overnite and tom so I will check on them Tues and spray again if things are not improving.

Tks for everyone's help!

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Re: Roses help

Post  gwennifer on Sun 20 May 2012 - 23:41

Dunkin, don't forget to make use of your local Master Gardener's association. They would be able to help you diagnose what's getting your roses I bet.

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Re: Roses help

Post  sanderson on Mon 6 Oct 2014 - 21:03

Any rose experts out there? The leaves on one of my roses has yellow spots.  It is October so I don't know if it is a virus or fall change.  None of the others look like this.


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Re: Roses help

Post  CapeCoddess on Tue 7 Oct 2014 - 6:08

Not a rose expert but I grow some anyway.  They are way too fussy, IMO.  I'm anxious to hear the answer though since I'll probably see the same thing some day.

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Re: Roses help

Post  sanderson on Tue 7 Oct 2014 - 9:29

I'm not a rose expert, either. I can prune decently but that's about it. My rose bushes get all kinds of ugly spots but this is the first time I've seen just yellow.

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Re: Roses help

Post  TCgardening on Wed 8 Oct 2014 - 3:49

sanderson,
  That looks like blackspot without the spot. Have you tried a fungal spray? Spray with sulpher or Kocide (copper) every 10 days. Spray both sides of the leaves. That usually beats back the blackspot.

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Re: Roses help

Post  sanderson on Wed 8 Oct 2014 - 7:37

TC, Thanks.

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Re: Roses help

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