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When can I start treating my shoreline for new cattail growth? | Ponds & Lakes Q&A

Q: When can I start treating my shoreline for new cattail growth?

Q: When can I start treating my shoreline for new cattail growth?

Charlie – Bottineau, ND

A: When the wall of cattails comes between you and your recreational pond or lake, it’s time to retake control of your shoreline! Once the cattails are 18 inches above the water’s surface, you can start treating the new growth.

Here’s how we recommend managing cattails:

Set Boundaries

Not all cattails are bad. They provide a habitat for wildlife, like amphibians, insects, birds and fish. Their below-the-ground rhizomes stop soil erosion. And their green strap-like foliage, which stands 3 to 10 feet tall, adds beachfront privacy. So rather than totally eradicate cattails from your pond or lake, set boundaries for them and treat them when they stray.

Chemical Control

The most common way to control cattails is to apply an EPA-registered herbicide like Shoreline Defense® with a pressurized pond sprayer to the foliage of actively growing plants. The product is absorbed by the weed, ultimately killing it all the way down to its roots. It’s a perfect solution for beaches, shorelines or anywhere emergent weeds grow.

Physical Removal

Once the herbicide has had a chance to fully soak into the cattail’s root system, the plant will turn brown and become limp. At this point, you should remove the stalks. Why? Those dead cattails and decomposing foliage will turn into muck—which will act as a fertilizer for next season’s cattails. Cut the stalks using the Pond Rake and Cutter Combo or the Jenlis WeedRazer® Pro at the base of the plants, allowing for easier removal with your rake.

Stay in Control

Cattails have extensive root systems, and so staying on top of their growth is key to preventing them from turning into a cattail wall—and taking over your shoreline!

Pond Talk: What critters live in your stand of cattails?

Kill Cattails To Their Roots - Pond Logic® Shoreline Defense® & Treatment Booster™ PLU

Controlling Cattails & Phragmites – Pond & Lake Q & A

Picture of Cattails & Phragmites

Q: How do you control emergent cattails & phragmites around my pond? -Several Customers from across the US

A: At first site, cattails and phragmites seem to add a natural look to your farm pond. But before you know it, they grow out of control and wrap around the pond causing a very unappealing look. Here are 3 Easy Steps to killing cattails, phragmites or other emergents: Spray … Cut … Remove.

1.) Spray - The best products to use to get rid of emergent weeds is the Shoreline Defense® & Treatment Booster™ PLUS Combo. It it always best to read the product labels for dosage rates, but a great suggestion is to mix 8 oz Avocet, with 4 oz Cide-Kick, with 2 gallons of water into a pond sprayer. This recommendation will treat approximately 2,500 sq. ft. of emergent weeds. It is best to spray when cattails or phragmites are around 12″ high or taller. Before cutting and removing, it is recommended to wait a week and a half to allow the chemical to get into the root system. By not allowing this time to pass or cutting too early will allow the root system to stay alive.

2.) Cut – Use a Weed Cutter to cut at the base of the cattails/phragmites. This will allow for easier removal.

3.) Remove – Use a Pond & Beach Rake to assist in removing the of the cut cattails/phragmites.

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