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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 Guy® Weed Cutter and or the Jenlis Weed Razer™ 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

Do Cattails actually die in the winter or can I do something to prevent them from coming back? | Pond & Lake Q&A

Do Cattails actually die in the winter or can I do something to prevent them from coming back?

Do Cattails actually die in the winter or can I do something to prevent them from coming back?

Brian – Holland, MI

As grandfather used to say, “never trust a sleeping cattail.” Actually, grandfather never said that. But he should have – because it’s true.

During the winter months, cattail foliage dies off. Leaves and stems turn brown and dry up when the weather gets cold, and optimistic pond keepers dare to imagine their backyard water features without the scourge of unwanted cattails. But deep beneath the pond, cattail roots are alive and well in their dormant state, saving up their energy to come back strong in the spring.

Fortunately, cattails aren’t invincible. Depending on the season, enterprising pond owners can take steps to eliminate cattails, leaving their backyard water features in great shape to host more desirable aquatic plants and fish.

When winter rolls around, and cattails have dried up, it’s worthwhile to cut the dead foliage and remove it. Our Pond Rake and Weed Cutter is specifically designed to make this process quick and easy. While this won’t kill the cattails, it will lay the groundwork for a successful spring offensive.

In spring, summer and fall, when cattail foliage is thriving, it’s time to apply our Shoreline Defense® Aquatic Herbicide. This safe, powerful herbicide is applied directly to all above-water cattail foliage. Once applied, the herbicide attacks and kills the entire plant – including its root system. Once the plant is dead, you’ll want to resume the use of your Pond Rake and Weed Cutter to remove the dead plants and prevent their potential to spread.

While Shoreline Defense® is effective on spring growth, it’s most effective during late summer and fall, when foliage is at its peak.

Pond Talk: Do you clear out dead cattails in the fall to get a jump start on spring maintenance?

Lake Rake  and Weed Cutter

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