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unclestuck

Over seeded lawn with mix, different germination times, when to cut?

unclestuck
8 years ago

I'm in western Massachusetts and overseeded my lawn 8 days ago with a slit-seeder, using a KBG/rye/fescue mix. Saw germination after 4 days, guessing the it's the rye, and now some of it's about 2" tall. It's coming up much faster than I've ever seen before.

Because the bluegrass might not come up for another week, maybe two, I'm wondering how to best time my first cut. Should I wait 3+ weeks so I let the bluegrass get a good start, even though the old grass and quicker germinating rye and fescue will get pretty tall? Or should I mow in a week or so, so more light is available? I have a reel mower so I can be a bit more gentle. Here's the mix:

  • 50% Artic Green Perennial Ryegrass
  • 10% Brooklawn Kentucky Bluegrass
  • 10% Bonaire Kentucky Bluegrass
  • 10% Shadow II Chewings Fescue
  • 20% Aberdeen Creeping Red Fescue

Thanks for any advice!

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