Zucchini | Costata Romanesco
Costata Romanesco Zucchini – Heirloom Flavor with a Nutty Twist
A true Italian heirloom, Costata Romanesco Zucchini is prized for its exceptional flavor and texture, far surpassing standard hybrid varieties. Its distinctive medium gray-green skin with pale flecks and prominent ribs makes it a standout in both the garden and the kitchen. Though its yields are slightly lower than some modern hybrids, it more than makes up for it with a rich, nutty taste and firm texture, perfect for enjoying raw or cooked. This variety is also a top choice for edible squash blossoms, producing large, flavorful flowers ideal for gourmet dishes.
Why Grow Costata Romanesco Zucchini?
Superior nutty, sweet flavor with a firmer texture than hybrids
Beautiful ribbed fruits with pale green flecks
Large, semi-vining plants that produce abundant male blossoms for cooking
Versatile in the kitchen—excellent for grilling, roasting, sautéing, and baking
A classic Italian heirloom variety with deep culinary roots
Growing Information
Type: Summer squash, heirloom variety
Fruit Size: 6–12 inches long with pronounced ribs
Sunlight: Full sun (6+ hours daily)
Days to Maturity: 50–60 days from transplant
Spacing: 24–36 inches apart with room to spread
Soil Needs: Well-draining, nutrient-rich soil with consistent watering
Support Required: None – semi-vining habit, benefits from ample space
Gardener’s Tips
Harvest young (6–8 inches) for the best texture and flavor
Leave space for semi-vining plants to spread and thrive
Pick frequently to encourage continuous production
Use male blossoms for cooking without reducing fruit production
Mulch around plants to retain moisture and suppress weeds
Plant two! Since this time-honored heirloom is less productive than some modern hybrids, planting two will make up for the slow production-and you won't regret it with this flavor!
Perfect For:
Gardeners seeking a high-flavor, heirloom zucchini with outstanding texture
Home cooks who appreciate authentic Italian varieties for gourmet meals
Farmers’ market sellers looking for a visually striking and flavorful squash
Culinary enthusiasts who enjoy stuffed and fried zucchini blossoms
The Costata Romanesco Zucchini is a heritage favorite, delivering exceptional taste and texture in every bite. Grown with care at Arcadia Refuge Farm, this Italian classic is ready to bring gourmet quality to your kitchen and garden.
