Replacing Limp Fescue with KBG

downeast_gardener(5B)May 24, 2010

Fifteen years ago, my new front yard was sodded but the back was seeded with a fescue blend - I don't recall the varieties. I am one year into a 100% organic program and the lawn looks wonderful (front and back) - all done by myself based on what I've learned from this forum. However, I am not happy with the way my fescues won't stand up for mowing and I'm wondering if it is possible to introduce KBG in the hope that it will eventually crowd out the fescues?

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bpgreen(5UT)

What kind of fescue do you have? Is there a lot of sun or is it shaded?

Most fescues don't spread, so over time, the KBG will tend to dominate, but depending on the kind of fescue, you could end up with a lawn with grasses that grow at different rates and look very different.

    Bookmark   June 6, 2010 at 11:39PM
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downeast_gardener(5B)

I believe that this is one of the red fescues. The area receives about seven hours of sun throughout the growing season. Thanks for your response.

    Bookmark   June 11, 2010 at 7:30PM
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bpgreen(5UT)

I think 7 hours of sun a day should be enough for KBG. It may or may not crowd out the fescue. If you want to replace the fescue, you'd be better off killing it and reseeding, but if you do something like core aerate the area and overseed with KBG, then maintain it with inputs that favor the KBG, it will probably dominate over time. For example, if you feed it with about 4 lbs of N per 1000 sq ft per year, the KBG will thrive and the red fescue will struggle.

    Bookmark   June 12, 2010 at 2:57PM
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