Outstanding in Our Field
Our Commitment to Innovation with PIWI International
sustainable viticulture with fungus resistant grape varieties​
At Amberg Grapevines, we are proud to source our plant material through PIWI International, a trailblazing organization founded in Switzerland in 1999 by Pierre Basler. PIWI International has been at the forefront of promoting fungus-resistant grape varieties, fostering a global network of scientific expertise and practical solutions for vineyards.
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As active members of this innovative community, we leverage PIWI International's extensive research and collaborative efforts to support winegrowers worldwide. Through their conferences, regional working groups, and knowledge-sharing initiatives, they empower growers to adopt resilient, sustainable grape varieties.
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Our partnership with PIWI International allows us to offer you cutting-edge vines tailored for sustainable viticulture. Explore our selection of PIWI varieties—Helios, Johanniter, Muscaris, Monarch, and more—and discover how these innovative grapes can transform your vineyard. Together, let’s grow a more sustainable future.
JEM Vines
JEM Vines, co-founded by Eric Amberg, brings together passionate individuals dedicated to introducing sustainable grape varieties from Europe to the U.S. This initiative builds on the vision of Mark Johnson, who chose the first four varieties to be imported from Freiburg University in Germany, laying the foundation for innovation and sustainability in American viticulture.