Elizabeth Dunham
40 Under 40, Class of 2020

Elizabeth Dunham


Knight Hollow Nursery

Job Title

Vice President


• Responsible for leading the business her mother started in 1981 (wholesale propagator of woody plant tissue culture) into its fifth decade. “We are one of the only mother-to-daughter legacies in the industry.”

• Serves on the board of directors of the International Plant Propagators Society Eastern Region.


When it comes to menu choices, Liz’s favorite foods are pizza, ice cream and cheese … “cuz I’m from WISCONSIN!!”

Fun Facts

Liz’s father invented WPM (Woody Plant Medium), a medium to grow woody plants in tissue culture, when he was professor at UW Madison, then her mother took that technology and built a business around it!

Latest Photos see all »

GPN recognizes 40 industry professionals under the age of 40 who are helping to determine the future of the horticulture industry. These individuals are today’s movers and shakers who are already setting the pace for tomorrow.
Ben Vliestra
Sidney Phelps
Jennifer Moss
Daniel Norden
W. Garrett Owen
Jessica Montgomery
Elien Peters
Rose Oberholzer
Nikki Melin

March 2021 GPN
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