Dluhe Grefty is run by Jaroslav Tesařík and makes natural wine in the Jihomoravský kraj region in Czechia.

They have 9 natural wines currently recommended on our app and website:
- 2 white wines made with Muller Thurgau, Neuberger.
- 2 red wines made with St Laurent, Blauer Portugieser, Pinot Noir, (ryšák) Rizlink Rynsky, Frankovka, Pinot Blanc.
- 3 orange wines made with Gewurtztraminer, Pinot Gris, Pinot Blanc, Riesling, Sauvignon Blanc, Field blend od many varieties.
- 2 sparkling wines made with .

Dluhe Grefty has no certifications.