Tradition & Innovation since 1957
Our Commitment to Innovation with PIWI International
sustainable viticulture with fungus resistant grape varieties​
We take pride in sourcing our plant material from PIWI International, a pioneering organization founded in Switzerland in 1999 by Pierre Basler. PIWI International leads the way in promoting fungus-resistant grape varieties, providing a valuable network of scientific and practical knowledge to vineyards worldwide.
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As members of this community, we benefit from their extensive research and innovative approach to grape growing. Their work supports winegrowers and encourages the adoption of these resilient varieties, particularly through conferences, regional working groups, and the exchange of vital information about fungus-resistant grape varieties.
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By partnering with PIWI International, we’re able to offer you cutting-edge vines that meet the challenges of sustainable viticulture. Explore our selection of PIWI varieties, including Helios, Johanniter, Muscaris, and Monarch, and experience the difference that innovation brings to your vineyard.
JEM Vines
is a group of likeminded individuals interested in importing new sustainable grape varieties from Europe into the United States. The original vision of, Mark Johnson​, who decided on the first 4 varieties to be imported from Freiburg University, Germany.
Eric Amberg
is excited to be ​part of this visionary group and serves as the exclusive propagator of these soon to be well known varieties.
Amberg Grapevines has limited quantities of these PIWI, NYS Certified varieties available. Please inquire.​