The estate is located in the community Rossatz in the Lower Austrian wine region Wachau, The traditional farm was founded in 1898 and was taken over in 1993 by Josef "Huchenpepi" Fischer (who is also known as a professional fish breeder of the genus Huchen) and his wife Ulrike. Since the year 2010 son Josef "Joe" Fischer is responsible for Keller and Weingarten. The vineyards cover nine hectares of vineyards in the vineyards Woman vineyards, Kirnberg, Kreuzberg, Steiger and Zanzl. You are with the Green Valtellina and Riesling planted. The product range includes various wines that are in the three territorial brands Steinfeder. Federspiel and emerald according to the guidelines of the association Vinea Wachau Nobilis Districtus be marketed. The "Grüner Veltliner Emerald Private" is also in the large bottles Magnum (1.5 l) and Methuselah (6 l, 8 normal bottles) bottled. Every year around 60,000 bottles of wine are produced.