Species and Varieties

Information on selecting varieties of aquatic plants and algae, including biological and chemical control, species such as naiad, duckweed, watermeal, coontail and elodea. Tips on identifying plants, controlling planktonic algae and pond ecology.

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Identifying Aquatic Plants
Identifying Aquatic Plants - Videos Videos
This video will look at the four categories of pond plants, and some of the most common aquatic plants that are found in Pennsylvania. More
Water chestnut investation choking a pond. Photo: Pat Rector, Rutgers University Cooperative Extension
Aquatic Invasive Species in Pennsylvania - Videos Videos
Several Aquatic Invasive Species of particular concern in Pennsylvania are discussed, and their identifying characteristics reviewed. More
Pond Ecology and the Role of Aquatic Plants
Pond Ecology and the Role of Aquatic Plants - Videos Videos
This video provides an overview of aquatic plants. More
Physical Control of Aquatic Plants
Physical Control of Aquatic Plants - Videos Videos
There are a variety of physical control strategies that can be employed. Physically harvesting aquatic plants can have a positive, long-lasting effect. More
Cleaning Plants to Place In a Water Garden
Cleaning Plants to Place In a Water Garden - Videos Videos
This is a How-To Video that will guide you in the process of cleaning plants before adding them to a water feature. More
Chemical Control of Aquatic Plants
Chemical Control of Aquatic Plants - Videos Videos
Herbicides are often the first thing pond owners turn to when nuisance aquatic plants appear in their ponds. More
Causes and Prevention of Aquatic Plant and Algae Growth
Causes and Prevention of Aquatic Plant and Algae Growth - Videos Videos
When plants and algae grow abundantly, pond and lake owners often think about ways to eliminate the offending plant. Nutrient control is the long term solution. More
Biological Control of Aquatic Plants
Biological Control of Aquatic Plants - Videos Videos
There are a few biological methods, that when applied correctly can be very effective and environmentally friendly to your pond. More
Common duckweed (Lemna minor)
Aquatic Plant Identification - Videos Videos
While aquatic plants and algae may interfere with pond uses, they also serve vital roles in supporting the fish and animal life that make up the pond ecosystem. More
Water Quality Concerns for Ponds
Water Quality Concerns for Ponds - Articles Articles
This is a summary of some common water quality parameters that may cause problems in ponds and how to detect and treat them. More
Pond Ecology
Pond Ecology - Articles Articles

Pond Ecology

Bryan Swistock

A brief overview of the natural processes of an earthen pond and how to maintain a healthy pond. More
Planktonic Algae
Planktonic Algae - Articles Articles

Planktonic Algae

Bryan Swistock

Planktonic algae floats in the water column and can sometimes be confused with muddy water. It causes the water to look green, brown or reddish in color. More
Naiad
Naiad - Articles Articles

Naiad

Bryan Swistock

One of the most common native, submerged pond plants in Pennsylvania. More
Mid-Atlantic Pocket Guide to Water Garden Species
Mid-Atlantic Pocket Guide to Water Garden Species - Articles Articles
This information is intended to help select native aquatic plant alternatives and avoid invasive plant species. This guide is intended as a portable reference. More
Facts About Aquatic Invasive Species and Water Gardens
Facts About Aquatic Invasive Species and Water Gardens - Articles Articles
A water garden is fundamentally an outdoor aquarium. The gardener needs to manage the pH, nutrients, and organisms introduced into the system. More
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