PlantFiles Pictures: Lycopersicon, Tomato 'Opalka' (Lycopersicon lycopersicum) by jozeeben
Opalka Canning tomato review - YouTube
MIgardener - The opalka tomatoes are kind of blowing my mind this year. We are so happy with them! The seeds can be found on our website at MIgardener.com along with 470