My pond has been surrounded by fescue for 7 years. Pretty thick in places. We’ve had more rain overall this year than most. Everything started off fine, but now my fescue has virtually disappeared. Replaced by a small leaf (I’m calling chickweed) weed and crab grass. Maybe I mowed the fescue too low? I’ve got a lot of grasshoppers, did they eat it all? I’ve always had a lot of hoppers though.. So, the question is, does fescue have a 7 year lifespan? What do you think happened to it? Will is come back next spring? Should I somehow til up all around the pond and reseed? Everything else is going well. Despite losing 100+ trees a few months ago due to a crazy storm, and numerous days in the 90s. The water is pretty clear and cool. After running a chainsaw all day it sure is refreshing to jump in. Just trying to figure out if I need to reseed.
I sure appreciate any advice.
Thanks

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9 yr old pond, 1 ac, 15' deep.
RES, YP, GS, FHM (no longer), HBG (going away), SMB, and HSB (only one seen in 5 yrs) Restocked HSB (2020) Have seen one of these.
I think that's about all I should put in my little pond.
Otter attack in 2023