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Late season rust - what to do?

1680 Views 9 Replies 6 Participants Last post by  Tsmith
I have several areas of rust developing in my lawn. My lawn is a new this year bewitched reno. There's been lots of rust going on in my town this year, but It's so late in the year I'm really surprised that I have this problem now. I sprayed seranade a couple times on the reno area as a preventative measure and did another app of seranade last week when I first noticed the rust start to develop. I know urea is often used to help get the lawn to grow out the fungus, but it's so late in the year and top growth has slowed to a crawl and should be just about done in the next 10 days to 2 weeks or so, so I'm not sure it would be advisable to do a urea app this late. But the rust is there and has spread a bit from when I first noticed it. I'm worried being it's a monostand and can be more prone to fungal issues that I'll get damage if I just leave it. I'm wondering if I do just leave it alone if I'll get over winter damage. Looking for some advice on what my best course of action would be.
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I am in the first full year with a Bewitched mono and I've been dealing with rust alll season long and even lost a few sections because of it which is really surprising. I am pretty much past it now but every time I think that I see more pop up.

I'd recommend lowering your cut and bagging your clippings rest of this season and to be as proactive as possible next year trying to prevent it. I wasn't as proactive as I should have been and regret it.
Thanks, glad I could help. Just wish my lawn looked half as good right now but it's been a very odd year weather wise so I'm trying not to be too hard on it especially while I try to take care of all the POA.

Everything I read about KBG renos was you have to give them 2-3 years before you can really judge them so I'm trying to be patient. The rust and shedding were difficult to look at this year and actually made me miss my TTTF KBG mix at times.
stotea said:
My Bewitched reno got hit hard with rust as well. I applied a fungicide a couple weeks ago, but I dunno if it's going to do anything, as we've already had a bit of snow and freezing temps. I'm pretty sure I've read that the fungus can survive the winter, so I guess we'll see how it looks in the spring. It spread like mad and really destroyed the color in just 2-3 weeks. Fingers crossed...
Fungus can spread easily especially if you are mulch cutting and unknowingly spreading it yourself. The conditions where fungus starts will usually not change from year to year so it can def come back. It's easier to prevent than treat so be as proactive as you can with Serenade and other biofungicides.
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