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Rick

OutdoorMN News - Flowering rush confirmed in Grants Lake in Douglas County

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Rick

First time invasive aquatic plant has been confirmed in county

The Minnesota Department of Natural Resources has confirmed small patches of flowering rush, an invasive aquatic plant, in Grants Lake in Douglas County. 

The DNR has begun removing the plants by hand. Hand removal can be successful in small populations like this one.  DNR staff will monitor the site for any regrowth and take appropriate further control measures if required.

Flowering rush is a weed-like plant with pink flowers that can overtake habitat, crowd out native species and make it difficult for boats to access open water. It is a perennial that grows one to four feet high along shores in shallow, slow-moving water.

In deeper water, it can grow in a submerged form that does not produce flowers. It flowers in early summer through mid-fall. Flowering rush can be difficult to identify when not in flower, as it closely resembles many beneficial native shoreland plants such as the common bulrush.

People can spread flowering rush primarily by moving water-related equipment and illegally releasing water garden plants into public waters. It reproduces by vegetative spread of small onion-like buds called bulbils, which can be hidden in mud and debris and can stick to boots, waders and other fishing and hunting gear.

Flowering rush is a prohibited invasive species in Minnesota, which means it is unlawful (a misdemeanor) to possess, import, purchase, transport or introduce this species except under a permit for disposal, control, research or education.

Whether or not a lake is listed for any invasive species, Minnesota law requires boaters and anglers to:

  • Clean watercraft and trailers of aquatic plants and prohibited invasive species.
  • Drain all water by removing drain plugs and keeping them out during transport.
  • Dispose of unwanted bait in the trash.

Some invasive species are small and difficult to see at the access. To remove or kill them, take one or more of the following precautions before moving to another waterbody:

  • Spray with high-pressure water.
  • Rinse with very hot water (120 degrees for at least two minutes or 140 degrees for at least 10 seconds).
  • Dry for at least five days.

People should contact an area DNR aquatic invasive species specialist if they think they have found flowering rush or any other invasive species that has not already been confirmed in a lake.

More information is available at mndnr.gov/ais.

Discuss below - to view set the hook here.

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  • Your Responses - Share & Have Fun :)

    • fishingallday
      Thanks for the tips. Sometimes people forget good ol' soap kills viruses as well.
    • fishingallday
      Looks good my guy 🤓
    • mrpike1973
      I am Thankful Rick! 😀
    • Rick
      I don't know whether to say Wow or Yayyy to this one MrPike.   I am however grateful for the way you put this together 😃
    • Wanderer
      Anyone else here “Cruise Central”?   Central Avenue south of 694.  The 80’s version of American Graffiti and The Fast and the Furious.
    • Borch
      I remember playing baseball and tennis on the street in front of our house.  Drivers didn't seem to mind waiting a few seconds for us to move out of the way.  We played all over Big Lake which was much smaller back then.   Drive un like the A&W or Ranchero where favorite hangouts.
    • Borch
      I haven't thought about that place in years.
    • Patrick Bennett
      exactly Rick!!!  
    • mrpike1973
      Thankful today got out on MinniBelle today with the wife before work very cool out but it is our favorite lake. We tried fishing but got zero saw a few small pike scooting about made us feel good to get out wife is getting a little home bound so I need to keep her spirits up. We discovered today some Yahoo stole a rod and reel out of our boat when it was parked for 15 minutes at Walmart. I really did not need that however being this is a grateful post they did not take my good rod and reel🥰. I have another reel from warranty coming back and hopefully I can buy a cheepie rod to get by with for a bit. Yep my fault I should have put both in the car but you always think only 10 minutes you will be gone oh well. My job has went back to 40 hour week so that is great to hear and my wife and I are starting to enjoy watching the birds in our yard. Have a great day everybody!
    • eyeguy 54
      Good info guys. I use my 66 foot light rods most of the time but do enjoy the battle on the 56 and 6 foot ultralights that I have.  Bobbers!  Dang I get frustrated finding one to do exactly what I want. So I have a lot of different ones along. Lol. Always learning. Plain jigs and tungsten. Small tubes mainly for plastics and I go thru a ton of gulp minnows. Amazing how much they love em!  Trilene xl in 4 pound is on all of the reels. Haven’t tried the solar in summer but might have to give that a try. Fenwick Eagle rods and Pflueger reels. My favorite old rod is a 5 foot Shakespeare Stealth Stik. Gotta be close to 30 years old. Almost always in the boat with no bobber. 
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