‘Rossa Lunga di Firenze’ Heirloom Torpedo Onion Seeds

‘Rossa Lunga di Firenze’ Heirloom Torpedo Onion is presented as a specific seed variety for gardeners comparing choices by growth habit, seasonal timing, mature size, and intended use. The description below separates identifying traits from sowing and growing information, keeps numerical ranges visible when they are present in the product record, and avoids turning general crop guidance into a fixed promise. Use these details with the packet and local conditions when planning the planting, then record actual emergence, harvest, or bloom timing for future sowings successfully.

Variety Details

• Plant type: Annual
• Growth habit: Upright
• Crop category: Onion
• Kitchen profile: These beautiful, wine colored onions are an intermediate day type with wonderful rich, mild sweet flavor and juicy red flesh.
• Recorded feature: Does Not Require Support
• Product format: Seed packet

Sowing & Growing

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

Sow ‘Rossa Lunga di Firenze’ Heirloom Torpedo Onion according to the local cool-season window and the recorded starting method. Give seedlings strong light when started indoors, then transplant or thin them to the listed spacing. Keep weeds from competing with the narrow foliage and evaluate soil moisture at root depth rather than using a universal schedule. Harvest leaves, stems, or mature bulbs according to the crop type. For storage types, allow curing after the neck and outer layers reach an appropriate stage.

Before sowing ‘Rossa Lunga di Firenze’ Heirloom Torpedo Onion, 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 Onion Growing Guide.