Im struggling with a section of my lawn and I'm hoping one of you lawn/grass gurus can tell me what's going on and how to treat it!
I grew this section of the yard from Zosia seed (Pennington's Zenith Zoysia) when we first built the house and it's always been a nice dark green. Last summer, at the end of the summer, I started seeing some of this yellowing in the same area. It's not the Zoysia yellowing but some other grass (or grass like plant) that's invaded. This year the area has grown about 2.5X what I had last year. Here are some pix of the whole area, a closeup photo of this yellow invader and a shot of the yellow invader mixed in with some Zoysia grass and runners:

This is my nemesis:

Here's the yellow invader mixed in with the healthy dark green Zoysia and you can see some Zoysia runners if you look close:
Can anyone identify what this yellow plant is and what I can do to kill it and get my Zoysia lawn back? Just out of view is a large section of Zoysia pallet grass we planted and I DURN sure don't want the new grass to get invaded!!!
One other note- the sprinkler that waters the new Zoysia turf/pallet grass we planted is also getting onto this area of yellowing. I can't imagine this is the problem as the pallet grass (a different species of Zoysia) is doing fantastic; and it's so hot that 20 minutes of watering 2x a day doesn't seem excessive at all.
So, what do you yard experts think??
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I grew this section of the yard from Zosia seed (Pennington's Zenith Zoysia) when we first built the house and it's always been a nice dark green. Last summer, at the end of the summer, I started seeing some of this yellowing in the same area. It's not the Zoysia yellowing but some other grass (or grass like plant) that's invaded. This year the area has grown about 2.5X what I had last year. Here are some pix of the whole area, a closeup photo of this yellow invader and a shot of the yellow invader mixed in with some Zoysia grass and runners:

This is my nemesis:

Here's the yellow invader mixed in with the healthy dark green Zoysia and you can see some Zoysia runners if you look close:

Can anyone identify what this yellow plant is and what I can do to kill it and get my Zoysia lawn back? Just out of view is a large section of Zoysia pallet grass we planted and I DURN sure don't want the new grass to get invaded!!!
One other note- the sprinkler that waters the new Zoysia turf/pallet grass we planted is also getting onto this area of yellowing. I can't imagine this is the problem as the pallet grass (a different species of Zoysia) is doing fantastic; and it's so hot that 20 minutes of watering 2x a day doesn't seem excessive at all.
So, what do you yard experts think??
Sent from my iPhone using Tapatalk
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