Aquatic Invasive Species and Water Gardens
Invasive species commonly appear in water gardens. They are organisms that come from another ecosystem either abroad or from within the country that are moved by artificial means – usually human mediated and are likely to cause economic or environmental harm or harm to human, plant or animal health.
The information contained within this portion of the website was generated through a collaboration between Penn State Extension and the Mid-Atlantic Panel on Aquatic Invasive Species.
A water garden is fundamentally an outdoor aquarium. The gardener needs to manage the pH, nutrients, and organisms introduced into the system.
The following is a list of references and resources for additional information on identifying aquatic invasive species in your water garden, determining your hardiness zone, finding a local native plant nursery, and more.
The links below provide a listing of aquatic or wetland plants considered to be noxious weeds by the federal government or Pennsylvania.
This is a How-To Video that will guide you in the process of cleaning plants before adding them to a water feature. This is part of an Extension curriculum designed for the Penn State Master Gardening Program.
The following tools are designed to help educators, including Master Gardeners, to teach others about the importance of managing water gardens to prevent aquatic invasive species.
Native plants can provide an attractive setting and will support native wildlife whose presence will enhance the water feature. The information is intended to help gardeners select native alternatives and avoid plants likely to escape and cause problems. Featuring Invasive Species and Their Native Alternatives. This guide is intended as a portable reference to accompany you to the garden center.