Costoluto Fiorentino Tomato Seeds

Costoluto Fiorentino tomatoes, originating from Florence, Italy, are distinctive heirloom varieties cherished for their ribbed, deeply-lobed shape. This cultivar is renowned for its rich taste, making it a favorite among chefs and home gardeners alike. The plants boast a robust and sprawling nature, often needing staking or caging due to their vigorous growth. Their unique appearance—flattened, heavily ribbed, and somewhat irregular—adds a rustic charm to the garden. The fruit itself is a vibrant red hue with a scalloped profile, adding an ornamental touch to the vine as they mature.

Variety Details

• Plant type: Tender Annual
• Growth habit: Indeterminate
• Crop category: Tomato
• Kitchen profile: Costoluto Fiorentino tomatoes, originating from Florence, Italy, are distinctive heirloom varieties cherished for their ribbed, deeply-lobed shape.
• Recorded feature: Open-Pollinated
• Product format: Seed packet

Sowing & Growing

• Light: Full Sun
• Planting season: Spring or Summer
• Starting location: Direct Sow or Start Indoors & Transplant
• Recorded soil pH: 5.6 - 6.0 or 6.1 - 6.5 or 6.6 - 7.0

Plan Costoluto Fiorentino Tomato as a warm-season crop. Start seed in a protected setting when local timing allows seedlings to reach transplant size after frost danger has passed. Provide strong light and avoid keeping the root zone continuously saturated. Use the recorded spacing and add support if the growth habit requires it. Check fruit as it changes color and firmness, then harvest at the stage suited to its intended kitchen use. Seasonal conditions can shift actual maturity.

Before sowing Costoluto Fiorentino Tomato, review the packet alongside the current product details and note any range in temperature, germination, or maturity. Ranges reflect biological and seasonal variation rather than a fixed promise. Label each planting with its date and location, then compare emergence, growth, and harvest with local weather. This record is useful for succession plantings and for deciding whether the crop fits better into an earlier or later seasonal window.

Explore related options in our Tomato Seeds.