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Welcome to the website of Marc M. Radell, a Master Gardener Emeritus of the PennState Extension of Montgomery County. This site provides information on landscaping with native plants in Southeastern Pennsylvania and other eco-friendly gardening topics.


Please use the dropdown menu or sidebar to navigate to pages with presentation materials and other information.

2021 Presentations


Lose the Lilacs! Plant These Native Shrubs Instead, Wednesday, February 3, 2021, 1:00 - 2:00 PM. Zoom class through Morris Arboretum of the University of Pennsylvania. Registration will be available on the Morris Arboretum website here.


Soil Health: Understanding, Testing, and Maintaining Your Garden Soil, Wednesday, March 3, 2021, 1:00 - 2:00 PM. Zoom class through Morris Arboretum of the University of Pennsylvania. Registration will be available on the Morris Arboretum website here.


Native Plants for Every Garden, Wednesday, May 12, 2021, 7:00 PM. Zoom class for Greene Countrie Garden Club.


Gardening for Songbirds, Friday, September 17, 2021, 2:00 - 3:00 PM. Zoom class through Morris Arboretum of the University of Pennsylvania. Registration will be available on the Morris Arboretum website here.


Creating a Naturally Beautiful Water Garden, Friday, October 1, 2021, 2:00 - 3:00 PM. Zoom class through Morris Arboretum of the University of Pennsylvania. Registration will be available on the Morris Arboretum website here.


For information about the Montgomery County Cooperative Extension, 1015 Bridge Road, Collegeville, PA 19426, including directions and hours of operation, please visit: montgomery.extension.psu.edu.


The annual Master Gardener Plant Sale takes place every year on the Saturday after Mother's Day from 9:00 to 1:00 at the Extension Office. It's a great opportunity to buy a wide variety of plants that do well in the area at reasonable prices.