Disneyland Roses Are Struggling - June 2024

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Last year, we had three established Disneyland Roses and three bareroot plantings.  All three of the bareroot floribunda roses didn't come back this Spring.  And, the three established ones - while blooming very well this year - are showing signs of struggle with their foliage. 

Last week, I gave them their second feeding of the season and used a 'combo' fert + systemic treatment granular that is billed to handle both insect/pests and fungus/diseases.

Last year, I saw the foliage of these roses start to decline and while I'm PRETTY sure I had some sawfly larvae (lace-like foliage), I don't know if that was ALL that I was dealing with out there.  Fungus?  Other disease?  Perhaps.

Last December, I posted about my Sawfly Larvae experience and that's how I was thinking of approaching this season:  combo fert+insect systemic and periodic spraying with Neem Oil on the leaves. 

As I mentioned, I've applied two treatments of fert+ this year.  And... I also sprayed these with Neem Oil earlier this year - hoping to get whatever bug (sawfly larvae?) was eating these.  

But, two of the three were just this week shedding leaves.  So, I went out and sprayed Neem Oil (again).  And...then I remembered that I had a bag of Bonide Eight Insecticide dust in the garage.  

I've tried the natural/horticultural route with Neem.  Now, I'm going a little stronger.

I grabbed it and did a 'shake' on the foliage.  Below are a couple of photos showing the roses dusted in white:

Disneyland Roses with Sawfly Larvae - Insecticide Dust Applied

Disneyland Roses with Sawfly Larvae - Insecticide Dust Applied

I tried to keep it off the blooms, but at this point, I'm most interested in killing these stinking Sawfly Larvae.  

Location: Downers Grove, IL, USA

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