I've heard that all sod is a variation on Kentucky Bluegrass, based on it's somewhat unique ability to keep it's roots really shallow, hence being easy to cut/transplant.. The issue is that we live in Alberta where it's either drought or winter. Other grass types can hold up better over time.
Now, I should preface this with the fact that my lawn looks like a minefield thanks to my dog and that pretty much the only thing that grows back there is weeds.
I've been looking at replacing my weeds this year as well though, so I am interested in what others have to say.
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