Native Plant Source is the horticultural and landscaping division of Thompson Environmental Planning & Design Ltd. A respected name in southern Ontario with project experience nationally and internationally. We propagate, grow, and sell Ontario native plant stock at our greenhouse between Guelph, Ontaro and Kitchener, Ontario in the Region of Waterloo.
We specialize in designing and creating purposeful landscapes such as rain gardens, pollinator gardens and habitat gardens.
Quality native plants can be purchased directly or larger stock volumes can be ordered for delivery.
Customized designs to suit your vision, needs and budget.
Including rain gardens, pollinator gardens, and sustainable landscapes.
Native Plant Source offers a wide range of Ontario native species.
Feel free to request our assistance in species selection, as we have a variety of methods and expert knowledge to help you ensure success in your native plant project. With over 25 years experience in the field, our experts can make sure your project meets your expectations, in the most cost effective means possible.
Our 2025 Perennial Plant List is now available (our Shrubs & Trees List is coming soon). Click on the list's title below and it will open a PDF in a new window.
We also provide either list upon email request.