Maple trunk with drilled hole

Maple syrup production combines many different disciplines including, agriculture, forest management, plumbing, weather forecasting, food production and small business management. The UVM Extension Maple Program supports maple producers by providing research-based educational solutions for maintaining sustainable operations with above-average yields of high quality syrup.

a screenshot of an article about maple syrup densitySugarmakers are encouraged to pay close attention to density this season, using a properly calibrated hydrometer. A recent survey by UVM Extension found that many online syrup purchases were out of density compliance in Vermont. Read more about it here (PDF).


75th Anniversary of the Proctor Maple Research Center

How to Make Sugar on Snow

Maple Info & Publication Archive

Maple Sap from Tap

Information for the producer and enthusiast on topics including forest tent caterpillar and backyard sugaring.  Read More >>

This database is a searchable collection of articles, videos, tools, and other resources about all aspects of maple syrup production. Use keywords to refine the search results. For example use keyword "beginner" if you are looking for basic information on making maple for the first time.



Mark IsselhardtMark Isselhardt | 802-656-7564

Mark Isselhardt has been involved with maple research and education for over 20 years, the last nine of which as the University of Vermont Extension Maple Specialist. In that role, Mark leverages degrees in Forest Management and Plant Biology as he leads the Extension Maple Program with a mix of original research and outreach activities with established maple producers and individuals looking to learn about maple at all scales of production. From Minnesota to Maine and across maple producing areas of Canada, Mark has given hundreds of presentations, interviews and personal consultations related to all aspects of maple production including sugarbush management, sap collection, syrup production, syrup quality and grading. Mark seeks to bring a more complete picture of current best practices and innovative solutions for iconic non-timber forest product to an international audience through high quality writing, presentations, images and video to support the sustainable development of the maple industry.

UVM Extension Maple

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Info on the new tubing recycling program: Listen Now.

Tapping Maple Trees for High Sap Yield

Stained Wood


Maple Syrup Grading Fundamentals:
Flavor, Density, Color & Clarity