That intoxicating scent – jasmine is unlike anything else, and it’s no wonder you can find it in so many gardens.While it’s not a particularly delicate pla
How to Identify and Treat Powdery Mildew on Roses
22.06.2023 - 10:37 / gardenerspath.com / Kristine Lofgren
How to Identify and Treat Powdery Mildew on RosesI’m a full-grown woman with adult responsibilities and a pretty good head on her shoulders. Most of the time. But when I find powdery mildew on my roses, I just want to lie down, kick my heels in the grass, and throw a certified, grade-A tantrum.
I’m sure you already know this, but you don’t want powdery mildew on your roses. It’s bad news.
Beyond the potential to make your plant look kinda ugly, the pathogens that cause this disease can make your shrub fail to bloom and in the case of a bad infection, totally defoliate the whole thing. Plus, I can’t help but whine, it’s so freakin’ common!
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I think that’s why powdery mildew tends to bring out the worst in gardeners. Sooner or later, if you grow roses, you’re probably going to bump up against it. So when you see that telltale powdery coating on your plants, you just want to turn and walk away.
The saving grace is that we have a pretty good handle on stopping and even eliminating this disease, so it doesn’t have to ruin your whole year.
In this guide, we’ll share with you what you need to know to show powdery mildew the door. Here’s what’s ahead:
If you’ve spotted a white dusting on your rose plants, I’m sure you’re panicking. Don’t! Keep reading to learn what to do.
What Is Powdery Mildew on Roses?Powdery mildew is a common disease that infects hundreds of plant species, and it’s caused by dozens of different fungi. In roses, it’s caused by Podosphaera pannosa var. rosae, which was formerly known as Sphaerotheca pannosa var. rosae.
This pathogen loves hot days and cool nights, especially if there’s a lot of humidity.
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