Organic Italian zucchini 'Costata Romanesco' (Cucurbita pepo 'Costata Romanesco')

Organic Italian Zucchini ‘Costata Romanesco’ (Cucurbita pepo) is a vigorous, highly productive Italian heirloom annual variety known for its distinctive ribbed green fruits. In the vegetable garden, it brings beautiful ornamental value with its broad foliage, ridged fruits, and large yellow flowers that brighten the rows throughout summer. Its tender, fine, slightly sweet flesh and excellent eating quality make it a sought-after zucchini for sautés, grilling, stuffed dishes, gratins, and Mediterranean recipes. The first fruits are ready about 50 days after sowing, ideally harvested young for the best texture.

Organic Italian Zucchini ‘Costata Romanesco’ should be direct sown outdoors from May to June, once all risk of frost has passed and the soil has warmed, about 2 to 3 cm (1 to 1.25 in) deep. Germination usually takes 5 to 10 days at 21 to 32°C (70 to 90°F). It prefers full sun and fertile, cool, organic-rich, slightly acidic to neutral, well-drained soil. Growing in a very large 40 to 50 cm (16 to 20 in) diameter container is possible in a very sunny location. Deep watering, organic mulch, and generous compost support its rapid growth.

In the edible garden, Organic Italian Zucchini ‘Costata Romanesco’ is perfect for family vegetable gardens, edible landscapes, and summer food self-sufficiency projects. Frequent harvesting several times per week encourages continuous production of new tender, flavorful fruits. Its edible flowers also add valued culinary interest, especially stuffed or used in refined summer recipes. Garlic, basil, beans, and corn are good companion plants, while potatoes and cucumbers are less recommended nearby. Its large yellow flowers attract bees, bumblebees, and other pollinators essential for good fruiting.