At The Farm

Located in Pocantico Hills, NY, Stone Barns is a laboratory for learning and catalyzing a culture of informed, healthy eating.

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Teaching & Learning

By educating people about food and farming, we're encouraging the food citizens of tomorrow to make healthier life choices for themselves and the planet.

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About Us

We are working to develop a culture of eating based on what farms need to grow to build healthy soil and a resilient ecosystem.

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Greenhouse Design

Join Stone Barns Farm Director Jack Algiere and Nexus Vice President of Sales and Northeast lead Jeff Warshchauer as they dive into soil-based greenhouse design during this full-day immersion course. It will begin by understanding your management goals and practices as farmers to optimize your costs during the greenhouse design phase. We will then discuss how to work with greenhouse designers, like Nexus, and what is involved during the greenhouse construction process so you can design efficient environmental controls that program ventilation equipment, water, and heating systems. What techniques are used during the construction and operating phases to maximize soil health and productivity? What are examples of companies and vendors that help with greenhouse design? Lastly, what per square foot capital cost can you expect and how do you optimize your management practices to payback this investment? All of these questions and more will be discussed during the course as we introduce the value of permanent, soil-based greenhouse designs to the community of beginning farmers.

Headshot portrait of Jack Algiere
Jack Algiere is farm director at Stone Barns Center. Jack graduated from the University of Rhode Island with a degree in horticulture and has been actively farming since the early 1990s. His lifetime of experience in organic, biodynamic and ecological systems brings a broad diversity of experience in greenhouses, orchards, fields and pastures.

At Stone Barns Center, Jack oversees the extensive and diverse farming operations, integrating multispecies pastured livestock, grains, field crops, greenhouse, fruit, flowers and compost in a four-season agroecological system. He also oversees the greater public and wild landscape as elements of the whole farm system. Jack is a leader in the farm’s innovation programs and is integrally involved in training beginning farmers.

On the side: With his wife and fellow farmer, Shannon, Jack has two farm-raised sons. He plays the drums, is captain of the local volunteer fire department and sits on the board of Johnny’s Selected Seeds.

Portrait headshot of Jeff Warschauer
Jeff has been employed by Nexus for over 29 years and has served as the Vice-President of Sales for Nexus for over 22 years. He has been with Nexus since 1988, beginning as a sales person in the Midwestern Area. Most of those years, he was recognized as the Top Producer. Jeff and his wife Sharon live in Portsmouth, NH. After graduation from Fryeburg Academy in Fryeburg, Maine, he attended Norwalk Community College, Florida State University, Culinary Institute of America and Le Cordon Bleu – London. He interned at several four star restaurants in New York City. From there he pursued his life-long love of cooking by owning his own restaurants in Danbury, CT. and Winter Haven FL. He then worked for John Deere Equipment Company prior to his 33 years in the greenhouse manufacturing industry.