I'm not sure it it's triv or not but the grass definitely has fungus. Could be leaf spot. I think you should apply fungicide.

 

That is not poa. Some of that discoloration is on seed stalks. That is normal as they die off. I don't think you have a problem but you could apply azoxystrobin/ disease x now since we are headed into higher temps and soon will be prime time for brown patch.

 

That is not poa. Some of that discoloration is on seed stalks. That is normal as they die off. I don't think you have a problem but you could apply azoxystrobin/ disease x now since we are headed into higher temps and soon will be prime time for brown patch.

Normal as what dies off?

 

It looks like foliar chemical damage. .3-.5#/k seems to be a lot for foliar spray. Additionally, it seems most of the yellowing is close to the neighbors yard, it could be too much fertilizer, possibly from the neighbor's broadcast spreader plus your foliar spray.

 

It looks like foliar chemical damage. .3-.5#/k seems to be a lot for foliar spray. Additionally, it seems most of the yellowing is close to the neighbors yard, it could be too much fertilizer, possibly from the neighbor's broadcast spreader plus your foliar spray.

I used a granular fertilizer. I should of worded that better. The neighbor doesn't put anything on their yard.

 

Could be fertilizer damage, but I would be worried about fungus. I'm not a TTTF expert, but Brown Patch or Leaf Spot seem to fit the appearance.

 

That is not poa. Some of that discoloration is on seed stalks. That is normal as they die off. I don't think you have a problem but you could apply azoxystrobin/ disease x now since we are headed into higher temps and soon will be prime time for brown patch.

Normal as what dies off?

The fescue grew seed heads a few weeks ago. The seedheads grow on a stem/stalk. As you mow, you cut off the seed heads so you may not have noticed them.

Below are a few pics I took today to help illustrate. Pic 1 is a broad shot where you can see some brown/discoloration. Much of that brown color is coming from leaves attached to seed stalks. I highlighted a few in red.

Pic 2 is part of a fescue plant from this area. The blue arrow points to the stem. The red shows the leaves attached to the stem that naturally die-off once the plant is finished seeding. I show a yellow arrow to some disease. This could be the start of brown patch but overall the plant is healthy. Our low temps are still in the low 60's and I have a preventative down as of last week so am not concerned.

Pic 3 is another stem where the attached leaf is beginning to die.

The main disease concern with fescue is brown patch. See the link below for a short article and note that azoxytrobin is the active ingredient in Scott's diseasex. Hope it helps, good luck.

https://www.plantpath.k-state.edu/extension/documents/turf/Brown%20patch%20%20homeowners%202016.pdf

 

That is not poa. Some of that discoloration is on seed stalks. That is normal as they die off. I don't think you have a problem but you could apply azoxystrobin/ disease x now since we are headed into higher temps and soon will be prime time for brown patch.

Normal as what dies off?

The fescue grew seed heads a few weeks ago. The seedheads grow on a stem/stalk. As you mow, you cut off the seed heads so you may not have noticed them.

Below are a few pics I took today to help illustrate. Pic 1 is a broad shot where you can see some brown/discoloration. Much of that brown color is coming from leaves attached to seed stalks. I highlighted a few in red.

Pic 2 is part of a fescue plant from this area. The blue arrow points to the stem. The red shows the leaves attached to the stem that naturally die-off once the plant is finished seeding. I show a yellow arrow to some disease. This could be the start of brown patch but overall the plant is healthy. Our low temps are still in the low 60's and I have a preventative down as of last week so am not concerned.

Pic 3 is another stem where the attached leaf is beginning to die.

The main disease concern with fescue is brown patch. See the link below for a short article and note that azoxytrobin is the active ingredient in Scott's diseasex. Hope it helps, good luck.

https://www.plantpath.k-state.edu/extension/documents/turf/Brown%20patch%20%20homeowners%202016.pdf

Thanks for the information. I had no idea grass did that. How often does this happen? We have been getting a lot of rain. I dont cut the grass while its wet though.

 

Normal as what dies off?

The fescue grew seed heads a few weeks ago. The seedheads grow on a stem/stalk. As you mow, you cut off the seed heads so you may not have noticed them.

Below are a few pics I took today to help illustrate. Pic 1 is a broad shot where you can see some brown/discoloration. Much of that brown color is coming from leaves attached to seed stalks. I highlighted a few in red.

Pic 2 is part of a fescue plant from this area. The blue arrow points to the stem. The red shows the leaves attached to the stem that naturally die-off once the plant is finished seeding. I show a yellow arrow to some disease. This could be the start of brown patch but overall the plant is healthy. Our low temps are still in the low 60's and I have a preventative down as of last week so am not concerned.

Pic 3 is another stem where the attached leaf is beginning to die.

The main disease concern with fescue is brown patch. See the link below for a short article and note that azoxytrobin is the active ingredient in Scott's diseasex. Hope it helps, good luck.

https://www.plantpath.k-state.edu/extension/documents/turf/Brown%20patch%20%20homeowners%202016.pdf

Thanks for the information. I had no idea grass did that. How often does this happen? We have been getting a lot of rain. I dont cut the grass while its wet though.

Once a year in the spring on the seedheads. Other issue may be chlorosis. U of Mo puts out a periodic report on turf disease/ conditions that you may want to bookmark. Here is a quote from today's and link

Along with that rainfall, cloudy conditions resulted in a significant decrease in solar radiation, with May 2021 having the least amount of sunlight since 1995. To demonstrate again how eerily similar this spring is to the last, last year's disease report on June 1 bemoaned this exact fact. This broken record has resulted in again chlorotic tall fescue

Numerous observations of yellowing tall fescue lawns have come in over the last two weeks, not surprisingly just like last year (see 6/1/20 report here).

https://turfpath.missouri.edu/reports/2021/06_02_21/