Proctor Maple Research Center

Proctor Maple Research Center in the University of Vermont's Plant Biology Department is the oldest maple research station in the world. From our home base on the western slope of Mt. Mansfield, we propel the maple syrup industry into a changing future through science and education for producers large and small.

Emma Griffith studies macrofungi in sugarbush (summer 2025)

Research

Besides 80 years of research on maple syrup production, we have hosted many diverse research projects onsite, with subjects ranging from sugarbush biodiversity to tree physiology to sap chemistry.

Education

A new undergraduate class introduces students to the science and practice of maple sugaring. We also give frequent guest lectures, host student interns, and serve as mentors to UVM's Maple Club.

Outreach

Maple producers in Vermont and around the world turn to us for the latest guidance on all aspects of syrup production. Through dozens of events and workshops, we reach thousands in the industry each year.

3,300+ gallons of syrup produced each year
6,600 trees tapped
200 acres of managed forest

a large wooden sugarhouse in snow with a steaming chimney pipe

80 Years of Maple Science

PMRC was established in 1946 as part of UVM's Department of Plant Biology. Learn more about our history, facilities, sugaring operation, and team of staff and researchers.

About Us