Last Updated on December 31, 2019 by Aiden Lindow

Types Of Weeds In A Pond and How To Control

There are different types of weeds in a pond, you also need to know how to control them.Types Of Weeds In A Pond and How To Control

You need to identify the type of weed and apply the right methods to remove the weeds.

There are two main types of pondweed control; you can use natural methods where you will have to manually remove the ponds or opt for chemicals where you will apply them to kill the weeds.

Pond weeds can affect fish in the pond; they tend to deprive the pond of oxygen, which affects the life of marine life.

You need to apply the right weed control measures to keep your pond healthy.

The process of removing the weeds can be challenging; you need to look for ways you can avoid the weeds from getting into your pond.

How to prevent weeds from affecting your pond

Prevent nutrients from entering the pond

The pond weeds will develop fast when there are enough nutrients in the pond.

Soil erosion from nearby farms entering your pond deposits a lot of nutrients in the pond.

You need to control the nutrients by creating barriers that will prevent the nutrients.

A pond with fewer nutrients makes it hard for weeds to develop at a rate that you can find hard to control.

Start pond weed control early

You may notice slight changes to your pond, which can indicate weed infestation.

You need to start fast and remove the weeds before they develop too much.

When the pond weeds cover your pond, it will be hard to control them.

You need to act fast and remove the weeds as quickly as possible to avoid cases where they will accumulate to an extent where it will be hard to control them.

Identify the type of pondweeds before you start controlling them

There are different types of pondweeds out there.

You need to know the exact nature of pondweed affecting your pond so that you can put measures in place to control them.

You may have to compare them with the photos of the well-known pond weeds after which you can learn about them.

Getting help from experts can make your work easy when trying to identify the type of pond weeds.

Types of weeds in ponds

There are three main types of weeds in ponds available.

They are characterized by the way they behave when in the pond.

For example, you can have emergent pondweed, floating pondweed and the submerging pondweed.

Emergent pondweed

How to prevent weeds from affecting your pond

They are pondweeds that emerge from the surface of the pond water.

You will see them forming clusters on top of the pond.

Their roots may be anchored in the water body, but they will have leaves and branches out of the water body.

Examples of emergent pond weeds include alligator weed, bulrush, cattails, water primrose, phragmites, purple loosestrife, shoreline grass, and smartweed.

They have different characteristics; hence, they demand specific types of weed control measures.

Floating pondweed

The weeds float on the water surface.

Their stems are the field with air which makes them buoyant hence they easily float on the water surface.

They can be moved by water waves from one place to the other hence spreading on your pond.

Common types of floating pond weeds include Azolla, duckweed, spatterdock, water hyacinth, water lettuce, water lily, water shield and the watermeal.

Submerged pondweeds

They are weeds in your pond which are usually submerged in water.

They tend to deprive water of oxygen; hence, they can contribute towards making your pond environment not suitable for fish among other marine life.

You can apply natural methods to remove them, such as a rack where you will scoop them out or use chemicals formulated to help in the removal of the pond weeds.

Examples of submerged pond weeds include the following:

American pondweed, bladderwort, clasping leaf, coontail, curly leaf pondweed, Eurasian watermilfoil, hydrilla/elodea, southern naiad, parrots feather and sago pondweed.

The weeds have different characteristics; hence, they require various control measures.

Pond Weed Control

Alligator Weed Control

Alligator Weed Control

It is a fast-growing pondweed with dense stems. It grows fast and can prevent the natural flow of water to the pond.

You can control alligator weed by cutting it down.

You need to act fast and cut it down so that you can succeed in controlling it.

The weed has thick stems that regrow fast. If the problem persists, you can apply herbicides developed to kill it from the roots.

There are several herbicides on the market formulated to kill the weed.

One of the herbicides which are widely used is the Shoreline Defense.

How To Get Rid Of Bulrush

How To Get Rid Of Bulrush

They are pondweeds that tower over the pond.

They can grow for more than ten feet on your pond, making it hard to control them.

The pondweeds are high in vitamin K hence, in most cases, they are used as food.

It is hard to cut down the weeds and control them.

They tend to regrow fast; hence you need to apply chemicals to kill their rhizomes.

The application of herbicides formulated to kill the pondweed is the ideal way to control them.

How To Get Rid Of Cattails

The pond weeds resemble bulrushes, but they are a bit small.

The seeds produced by the weeds can float on the water for long hence allowing them to spread on your pond quickly.

Apart from spreading through weeds, they also spread through rhizome growth.

You can cut the weeds, but they tend to regrow fast.

The best way to control them is through the application of herbicides used to control pond weeds such as the shoreline defense products.

How To Get Rid Of Phragmites

How To Get Rid Of Phragmites

The pondweeds can develop large plants that can cause interference with the natural flow of water in the ponds.

They can reduce the amount of water in the pond through the high rate of transpiration and water absorption.

They can as well clog the water inlets, which can affect the normal functioning of the pond.

The application of herbicides is the most effective way a pond owner can control the weeds.

How To Get Rid Of Purple Loosestrife

How To Get Rid Of Purple Loosestrife

The bushy plant can grow up to six feet on top of the water.

It is characterized by dense and woody growth which hinders access to the pond.

The pondweed can quickly destroy other plants in the pond due to its fast-growing rate.

Careful application of pond herbicides can play a significant role in removing the pond weeds.

The herbicides come with precise details on how to apply them; hence, you can easily use it to kill the herbicides.

How To Control Floating Pondweed

The floating pond weeds tend to deprive the pond of the sunlight and the oxygen concentration.

There are several types of floating pond weeds with different methods of controlling them.

Here are common ways to control the pond weeds:

How To Get Rid Of Azolla

How To Get Rid Of Azolla

The pondweed is sometimes referred to as mosquito fern or fairly moss.

It floats freely on water and can cause several challenges to your pond.

Here are some of the ways you can control the weed, use a rake to remove the weed naturally.

The pondweed float on the water, making it easy to use a rake to remove them easily.

You can as well use chemical control measures to remove them.

The herbicides will kill the weeds, which will lead them to clear from the pond.

How To Get Rid Of Duckweed

The duckweed can be removed through the application of herbicides or natural means where you will use a rake to remove it from the surface of the water.

You need to read the instructions provided on the herbicides packs, and you will know the right amount to apply depending on the size of your pond.

How To Get Rid Of Spatterdock

It is a rooted plant whose foliage floats on the surface of the pond, It’s essentially a yellow water-lily.

It propagates through rhizomes, making it hard to control.

A few plants can enter your pond, but they will multiply very fast, which can lead to covering the entire surface of your pond.

You can control the weed through digging the rhizomes out.

It also propagates through seed; hence, manual cutting of the plant may not be completely effective.

The use of herbicides such as Pond Logic Wipe Out, and Shoreline Defense can play a significant role in removing the weeds.

Ensure you follow the directions on the pack as you try to apply the herbicide.

How To Get Rid Of Water Hyacinth

Water hyacinth is also referred to as shellflower.

It can grow up to three feet above the pond surface.

The heavy root system of the water hyacinth can exert a lot of weight on the water surface.

The plant grows very fast, which makes it hard to control it.

You can rake and skim the water hyacinth or use recommended herbicides to remove it from the surface of the water.

How To Get Rid Of Water Lettuce

How To Get Rid Of Water Lettuce

Water lettuce can be easily controlled through herbicides.

There are several brands of herbicides in the market which have been developed to remove the herbicides easily.

You can apply Shoreline Defense, Ultra PondWeed Defense, and even clippers to cut off the dead plant material and helps to get rid of weeds.

There are several brand names out there.

It is necessary to check on their chemical composition before you proceed to apply them in killing the pondweed.

How To Get Rid Of Watermeal

It is the smallest plant known to bear seeds.

The name is derived from the grainy appearance.

The pondweed propagates very fast which can make it cover the pond within a short period.

To remove the weed from your pond, you can use a heavy-duty pond rake to skim it.

Pond aeration can as well help in managing the pondweed as it thrives in stagnant water.

The application of herbicides also plays a significant role in killing the pondweed.

How To Control Submerged Pond Weed

The plants grow below the pond surface.

They are characterized by the soft stem and can withstand currents among other disturbances.

There are different types of submerged pond weeds which you can control through various means.

How To Get Rid Of American Pondweed

The pondweed is classified as a submerged weed, but it produces a lot of foliage which floats over the surface of the water.

To control the pondweeds, you can cut them and rake out of the pond.

Through raking, you only control the weeds.

They can easily return. The application of herbicides is the most effective way you can control the pond weeds.

How To Get Rid Of Bladderwort

It does not propagate as fast as other pond weeds.

Bladderwort is a carnivorous plant that feeds on tiny organisms in the water.

There are more than 200 species of the pondweed making it among the widespread weeds.

You can use a rake to remove the pondweed from water or apply chemicals to kill it.

How To Get Rid Of Clasping Leaf

It is a pondweed which is completely submerged.

To survive, the plant relies on several leaves on its surface to photosynthesize glucose from the sunlight.

It can be used as a food source for aquatic life, but its fast growth rate can cause problems to your fish pond.

Natural control measures include an application for pond dye to prevent it from photosynthesizing hence killing it.

You can as well apply herbicides formulated to kill the weed.

How To Get Rid Of Coontail

It is a submerged pondweed which can affect your pond.

It grows fast, which can lead to covering the entire pond.

The plant has several benefits to your pond such as offering habitat for aquatic life.

Natural control measures involve the use of pond dyes and cutting it down.

The pond dye prevents photosynthesis, which leads to the eradication of the weed.

How To Control Curly-Leaf Pondweed

It resembles clasping leaf, but it grows aggressively and can create dense mats on the pond floor.

Standard measures you can take to control the weed include the application of pond dye and cutting down the weed.

There are also herbicides you can apply to manage the weed.

What are the common herbicides used to control the pond weeds?

There are several herbicides. You need to go for those that cannot affect the aquatic life.

Common herbicides that are used to control the pondweed include the Pond Logic Wipe Out, Ultra Pondweed Defence and clippers.