Beefsteak Tomato seeds Costoluto Fiorentino is an old Italian heirloom from Florence. 🇮🇹 It is famed for deeply ribbed, slightly flattened fruits. The fruit is large and meaty. Typical weight is 350–450 g. Some fruits can reach 1 kg. The color ripens to a vivid red. The texture is dense and sauce-friendly. Many gardeners and chefs rank its taste among the best. 🍝
This variety is an indeterminate, vigorous plant. It produces abundant crops over the season. Expect 75–80 days from transplant to harvest. The vine grows tall and benefits from strong support. Use sturdy cages or stakes. 🌞
Costoluto Fiorentino is prized for its outstanding flavor. It is excellent for quick-cooked sauces and for fresh use. Slices hold their shape and flavor. The meaty flesh makes it ideal for canning, roasting, and oven sauces. The ribbed shape gives rustic, authentic Italian character to any dish. 🍅🔥
Start seeds indoors 6–8 weeks before your last frost date. Use clean seed trays and a light seed mix.
Sowing depth: about 0.5 cm (¼ inch). Press seeds lightly into the surface.
Germination temp: keep at 20–25°C (68–77°F) for best results.
Germination time: usually 7–14 days, sometimes a few extra days for cooler rooms. ⏳
Light: give seedlings strong light or grow lights. Rotate trays for even growth. 💡
Transplanting & spacing Beefsteak Tomato seeds Costoluto Fiorentino
Harden off seedlings gradually for 7–10 days before transplant.
Transplant outdoors after all risk of frost has passed. Soil should be warm.
Spacing: plant 45–60 cm (18–24 in) apart. Allow room for large vines.
Support: Use tall tomato cages, stakes, or trellis. Tie vines gently with soft ties. 🪢
Soil: fertile, well-drained, rich in organic matter. pH 6.0–6.8 preferred. 🧑🌾
Watering: keep soil evenly moist. Water at the base to avoid wetting foliage. Mulch helps retain moisture. 💦
Feeding: Apply balanced organic fertilizer at planting. Side-dress with a tomato feed when fruits set.
Pruning: remove lower leaves and any crowded growth to improve airflow. For indeterminate plants, pinch suckers if you want fewer but larger fruits. ✂️
Pests & diseases: watch for aphids, hornworms, blight, and blossom end rot. Rotate crops year-to-year. Ensure good airflow and avoid overhead watering. 🌿🚫
Harvest when the fruits are fully red and slightly soft to the touch.
Best flavor develops if the fruit ripens on the vine.
Use fresh in salads and sandwiches. Make quick sauces and canned passata. Roast or grill thick slices for a deep, sweet flavor. 🧄🫒
Store ripe tomatoes at room temperature for the best texture and flavor. Refrigeration can dull taste. ❄️➡️🍅
Focus Keyphrase: Beefsteak Tomato seeds Costoluto Fiorentino
Related Keyphrases: Costoluto Fiorentino, beefsteak tomato, Italian heirloom tomato, ribbed tomato, tomato seeds, indeterminate tomato, tomato for sauce, Florence tomato, large tomato seeds, heirloom seeds
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