Tomato (Solanum lycopersicum) OSU Blue BIO – Unique Black-Purple Tomato with High Anthocyanin Content

Tomato (Solanum lycopersicum) OSU Blue BIO is a unique tomato variety distinguished by its dark purple, almost black fruits and impressive health benefits. This variety, named after its breeder at Oregon State University, is among the first generations of blackish-purple tomatoes to reach market maturity. Ideal for specialty tomato enthusiasts, home gardeners, and organic growers, OSU Blue BIO combines beautiful color, rich flavor, and nutritional value in a single plant.

Features of OSU Blue BIO

• Unique color: OSU Blue BIO produces shiny, black-purple fruits weighing approximately 100 grams. The striking color is due to the high anthocyanin content, a natural antioxidant with health-promoting effects.

• Play of colours upon ripening: The fruits are only fully ripe when they turn red on the underside, creating a spectacular visual effect: red on the underside and blue/purple on the sunny side.

• Taste: The fruits have a rich, full tomato flavour that is suitable for both fresh consumption and for culinary preparations such as salads, sauces or grilled dishes.

• Robust plant: OSU Blue BIO grows healthily and vigorously, suitable for outdoor cultivation in sunny, sheltered places, but also ideal for protected cultivation in greenhouses.

Cultivation advice

OSU Blue BIO is a potato-leaved, indeterminate tomato that can reach a certain height, meaning that support with stakes or racks is necessary for optimal yield.

• Planting spacing: Place plants 50–60 cm apart to ensure adequate air circulation and healthy growth.

• Support: Due to the length of the stems and the weight of the fruits, stable support is essential.

• Water and nutrition: Regular watering and balanced fertilization promotes continuous fruit set and flavor development.

• Organic cultivation: OSU Blue BIO is ideally suited for organic gardens, thanks to its natural resistance and robust growth.

Culinary applications

The unique color and flavor make OSU Blue BIO a decorative and tasty addition to any dish:

• Fresh consumption: Enjoy the full, aromatic flavour straight from the plant.

• Salads and sandwich fillings: Thanks to their firm texture and attractive color, the fruits are perfect for salads and sandwiches.

• Cooking and sauces: The rich flavor also makes this tomato suitable for soups, stews, and grilled dishes, where the unique color provides an additional visual accent.

Benefits of OSU Blue BIO

• Unique black and purple color play: Surprise friends and family with these impressive, colorful tomatoes.

• Rich in anthocyanins: The fruits support health by providing antioxidants.

• Robust and productive: Ideal for outdoor and greenhouse cultivation, with reliable yields.

• Organic variety: Suitable for sustainable and ecological cultivation methods.

• Versatile in the kitchen: Suitable for fresh consumption, salads, sauces and culinary preparations.

Tomato (Solanum lycopersicum) OSU Blue BIO is therefore a perfect choice for gardeners looking for an organic, robust, and eye-catching tomato that is both flavorful and visually appealing. With its high anthocyanin content, robust growth, and unique color palette, OSU Blue BIO offers both culinary and health benefits, making it ideal for vegetable gardens, balconies, and greenhouses.