Grün doesn't advertise a walk-in tasting room, but does host visitors by arrangement. Contact the winery directly to confirm what's available before you go.
Grün is in Klein-Harras, in the Weinviertel wine region. Phone: +43 2574 8706. Confirm hours before visiting. Winery schedules vary seasonally.
The winemaking at Grün is led by Franz, Sonja. Visiting during special events or release weekends is often the best chance to meet the winemaking team and ask questions about specific vintages or techniques.