Can anyone tell me what kind of grass this is? It's growing in my lawn in Central South Dakota in a partly shaded area. I seeded the area with a sun/shade mix but the seed head does not look like the bluegrass/ryegrass/fescue that is supposed to be in the seed mix. I believe it may be Downy Brome but I'm no expert. Is this a type of grass I want growing in my yard?


1 Answer 1


That is Bromus tectorum.

We refer to it as Bronco Grass here and just hate the seed heads. They get in your socks, penetrate the seams in your shoes and jeans and generally make life highly unpleasant walking through fields where the stuff has matured. Only thing worse is Foxtail.

I've heard it called Downy Brome or Cheatgrass as well.

I root it out where ever I can, cut the seed tops off elsewhere till permanent removal can be scheduled and make sure it goes to the landfill. The area immediately gets fertilzed and seeded with Pasture grass mix and kept damp till the replacement grass takes hold as this stuff likes poor soil and dry areas on the property.

It should never be found in any grass mixture as it is an invasive weed, probably imported from Eurasia.

  • Thanks, I guess my identification was accurate. Its strange that so much of it popped up with my new grass when I don't have it anywhere else in my yard.
    – Preston S
    May 27, 2014 at 14:17

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