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[5b] - Grass identification and overseeding KBG?

4475 Views 18 Replies 6 Participants Last post by  b0nk3rs
Hi all! New here but hopefully sticking around for quite some time...

Zone 5b - Central Illinois

I have basically researched myself in circles trying to figure out what grass types I have and what I want to seed/overseed with. I originally thought I had a lot of fine fescue but I was told its almost all KBG. At this point I have no idea. I am falling on you guys for some guidance.

The below album has some overviews of my lawn at different times of this year as well as up close shots from various locations around the lawn. The lawn was not watered at all this year but I will be keeping it well irrigated next year. Also included is an example of an area which is being repaired and then seeded. This is the largest area that will be receiving a full seeding.


I was leaning towards overseeding 100% KBG but the more I read up on it, the less encouraged it seems to be. I have enough bare spots and crabgrass clusters that I can essentially do a full seed on a lot of the problem areas to avoid mowing them. My original plan was to match existing lawn in the bare spots then overseed everything with an undetermined KBG, now i'm just not sure.

My questions are:

1) What grass types do I currently have? Approximately what % of each?
2) Will overseeding with only KBG be a viable option? I don't mind some level of failure.
3) What different varieties/mixes do you recommend? NTEP has only confused me further on making a decision.
4) What kind of mix would be best to use for the repaired bare spots? A Uniform lawn is very important to me. I assume if I were to use something like Midnight it would be a noticeable difference?

I appreciate any and all feedback and I will provide additional information and pictures as necessary.

Thank you!
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Could you post an image of the auricles?

This is an grass Id tool.
I have too many work meeting this week, so I'm only looking via the cell phone and trying to zoom in.

Grass two seems to have clasping auricles and does not look like annual ryegrass. Therefore I assume it has to be quackgrass. Quack is a tough one. It only could be controlled with round up. Don't hand pull it since it spreads.
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