Disneyland Roses Are Struggling - June 2024

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:

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