The Principe Borghese is a traditional Italian variety known for its abundant production of small, oval red tomatoes. With its firm flesh, low water content, and balanced flavor, it is renowned as one of the best varieties for making sun-dried tomatoes. The fruits are crack-resistant, do not have green shoulders, and ripen uniformly, making them perfect for both fresh consumption and preservation. Compact and well-structured, this variety grows very well in pots or small spaces.

Where to Grow Principe Borghese Tomatoes

It grows well in zones 3 to 9. It prefers full sun and fertile, well-drained soil. Ideal for raised beds, containers, patios, and traditional row gardens.

History and Uses

This heirloom tomato originates from southern Italy, where it has been grown for generations as the variety of choice for sun-drying in the Mediterranean. Thanks to its compact plants and concentrated flavor, it has become a staple in home gardens and traditional cuisine, and remains highly prized today for preserving the flavors of summer.

Information on Canadian Zones

Zones 8-9: Start seeds indoors 4-6 weeks before the last frost; transplant after all danger of frost has passed.
Zones 5-7: Start seeds in early spring; harden off plants then transplant after the last frost.
Zones 3-4: Start seeds indoors and use protection (row covers or greenhouse) for best results.

How to Grow and Harvest Principe Borghese Tomatoes

Planting: Sow seeds 6 mm (1/4 inch) deep indoors 6-8 weeks before the last frost; transplant with 45 cm (18 inch) spacing between plants.
Watering: Keep soil consistently moist; avoid overhead watering to reduce diseases.
Harvest: Pick fruits when fully red and firm; ideal for drying or fresh consumption.
Care: Use stakes or cages to support plants; prune lightly to encourage air circulation.

Tips for Seed Saving

Fruit Ripening: Allow several fruits to fully ripen on the plant.
Seed Extraction: Scoop out seeds with pulp into a jar; allow to ferment for 2-3 days.
Cleaning and Drying: Rinse and thoroughly dry seeds on a screen or plate.
Storage: Store in a cool, dry, dark place; seeds remain viable for 4-6 years.

Organic Certification

Certified organic by Islands Organics Producers Association (Certificate no. 1962).