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Whats wrong with my rose bush?

Posted by Jcsherman 10 SoCal (My Page) on
Sun, Apr 27, 14 at 18:36

Can anyone tell me what is happening to my rose bush. I already lost rose bush this year. It never came back from its January pruning. Then my St. Patrick lost almost all it leaves but it might be making a come back and now my Chrysler Imperial looks distorted. I had roses for 8 years and have never had problems like this. I had a little rust issue and have been spraying for that but this looks different. Thanks for any help.

Follow-Up Postings:

RE: Whats wrong with my rose bush?

Downy mildew?

RE: Whats wrong with my rose bush?

  • Posted by hoovb z9 Southern CA (My Page) on
    Sun, Apr 27, 14 at 20:52

Looks sunburnt to me. We had that heat wave right when everything had pushed out a lot of tender new foliage--the plants couldn't take it.

I think your plant will be okay there, but I'd rig up some temporary shade to get it through our next heat wave due Tues-Friday.

RE: Whats wrong with my rose bush?

Is the spray too strong? Did you spray mid day in the sun?

RE: Whats wrong with my rose bush?

  • Posted by seil z6b MI (My Page) on
    Mon, Apr 28, 14 at 18:03

I think it does look heat stressed. I'd take off the damaged parts and give it some kind of shade during the hottest part of the day. Even just a lawn chair over it to shade it will help.

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