This website uses cookies, pixels, and other tracking technologies to personalize content, analyze how our site and apps are used, and create aggregated statistics.
We disclose data about site and app users to third parties so we can target our ads to you on other websites, and those third parties may use that data for their own purposes.
For more information on how we collect, use, and disclose this information, please review our
Privacy Policy.
Continued use of this site means you consent to our Privacy Policy.
Costata Romanesco is an Italian heirloom cocozelle type squash that is recognizable by its distinctive outer skin. Its body is lined lengthwise with dark and light green stripes and a pale green to white speckled overlay. Rather than smooth like traditional zucchini the Costata Romanesco has prominent ribs running from stem to blossom end. Like many summer squash varieties the skin of Costata Romanesco squash is delicate enough to consume. It can grow up to fifteen inches in length though it is typically harvested at six inches. Whether large or small it consistently offers an exquisite summer squash texture and flavor with nut-like notes and a lingering sweet taste. The Costata Romanesco plant is also known to produce a significant amount of bright orange blossoms which can be harvested individually or while still attached to the squash and offer a delicate flavor and texture.
Seasons/Availability
Costata Romanesco squash is available in the spring and summer months.
Current Facts
Costata Romanesco is an Italian heirloom summer squash of the Cucurbitaceae family and botanically a member of Cucurbita pepo. Also known as Ribbed Roman or simply “Costata” this squash is part of the cocozelle group of squash and is known for its unique exterior which boasts varying hues of green and deeply grooved ribs. Unlike many popular hybridized summer squash varieties the Costata Romanesco was not bread to be a mass producer and will produce about half the yield of hybrid types. It is a variety of summer squash that is celebrated by growers and chefs alike as a result of its outstanding flavor and texture which it retains whether harvested when small or large in size.
Nutritional Value
The Costata Romanesco is a good source of dietary fiber and additionally contains some vitamin C, vitamin A, vitamin B6, folate, manganese and riboflavin.
Applications
Costata Romanesco is known for its exceptional flavor and texture and can be utilized in both raw and cooked applications. Slice thinly into ribbons or rounds and add to salads and crudos or combine with sauce for a healthy alternative to pasta. Grated squash can be added to soups, coleslaws, quick breads or fritters. Sliced Costata Romanesco will have a lovely scalloped shape around its edges and can be sautéed, steamed, roasted, grilled or battered and fried. Larger more mature squashes are ideal size for halving, hollowing, stuffing and baking. The orange blossoms of the squash additionally are edible and are classically stuffed then baked or deep fried. The sweet squash flavor of the Costata Romanesco pairs well with eggplant, tomatoes, garlic, chili peppers, lemon juice, basil, thyme, oregano, olives, roasted poultry, pancetta, proscuitto, egg preparations and cheeses such as pecorino romano, ricotta and feta. To store, keep dry and refrigerated and use within a week.
Ethnic/Cultural Info
Costata Romanesco is a common winner in county fair competitions for the largest squash category of entries, a result of its unique ability to maintain a high quality flavor and texture even when grown to larger sizes.
Geography/History
The Costata Romanesco is an heirloom cocozelle squash believed to be originally native to Rome, Italy. Cocozelle types of squash have long been grown in Italy with records of them dating back to the time of the Renaissance. From Italy it spread to other countries north of the Mediterranean Sea and eventually to the United States. In Italy today it is one of the most preferred summer squash types grown, in the United States the classic zucchini reigns as the most popular commercial summer squash though the Costata Romanesco is sought after when in season by growers, chefs and home cooks who know of its superior squash flavor. Like many summer squash types the Costata Romanesco is a large, vining plant that thrives in warm weather and prefers full sun and moderate watering. It is also, like most cucurbits susceptible to powdery mildew after the first few weeks of harvest.
Big yellow sun at Keith's Farm
Costata Romanesco squash: This Italian heirloom squash stands out with its striking appearance of dark and light green stripes overlaid with pale speckling. Unlike smooth zucchinis, it has prominent ribs running along its length. Its edible skin and nutty, slightly sweet flavor make it versatile in the kitchen. While it can grow up to fifteen inches, it's typically harvested at six inches for optimal taste and texture. Its bright orange blossoms are also edible and highly prized.
Her Produce
Fresno, CA
(559) 313-6676 [email protected]
Costata Romanesco is celebrated for its delicious flavor and versatile texture, making it perfect for raw or cooked dishes. Thin slices can be added to salads, while grated squash works well in soups or fritters. Its scalloped edges shine when sautéed, grilled, or fried. Mature squashes are ideal for stuffing, and even its blossoms are edible, often baked or fried. Pair it with eggplant, tomatoes, herbs, poultry, or cheeses like ricotta and feta for a delightful meal.
SPECIALTY PRODUCE
1929 Hancock St San Diego 92110
View on Instagram
(619) 295-3172 [email protected]
Costata Romanesco: This Italian heirloom summer squash is botanically a member of Cucurbita pepo and has deeply grooved ribs with striking green hues. Unlike many hybrid summer squash varieties, it produces about half their yield but stands out for its exceptional flavor and texture. Whether harvested small or large, it retains its quality, making it a favorite among chefs.
Her Produce
Costata Romanesco thrives in warm weather and prefers full sun with moderate watering, making it ideal for summer cultivation. Originating from Italy, this heirloom cocozelle squash dates back to the Renaissance and remains a favorite in its homeland today. Though not as widely grown commercially as classic zucchini, its superior flavor makes it highly sought after by growers, chefs, and home cooks during its seasonal availability.
Specialty Produce
1929 Hancock St Suite 150 San Diego CA 92110
View on Instagram
(619) 295-3172 [email protected]
Costata Romanesco squash is often a standout in county fair competitions for the largest squash due to its exceptional ability to maintain high-quality flavor and texture, even when grown to larger sizes. This unique characteristic sets it apart from many other squash varieties, which often lose their flavor or become overly fibrous as they increase in size.
SPECIALTY PRODUCE
1929 Hancock St San Diego 92110
View on Instagram
(619) 295-3172 [email protected]
Costata Romanesco squash is not just visually striking with its dark and light green striped, speckled skin; it also delivers a nut-like flavor with a hint of sweetness. Typically harvested at six inches for the best quality, its edible skin and tender flesh stand out. The plant produces vibrant orange blossoms, which are prized for their subtle flavor and delicate texture, and can be picked separately or with the squash. This makes it a special addition to both gardens and culinary creations.
JR Organics Farm
Escondido,CA
View on Instagram
+17606386387
Costata Romanesco Squash: This variety is celebrated for its versatility and remarkable flavor. Its unique scalloped edges when sliced enhance its visual appeal. Ideal for stuffing, baking, or frying, it pairs beautifully with ingredients like eggplant, tomatoes, cheeses, and aromatic herbs. Its edible orange blossoms can be stuffed and baked or fried, adding culinary depth to your dishes. Always store refrigerated and dry for freshness.
SPECIALTY PRODUCE
1929 Hancock St San Diego 92110
View on Instagram
(619) 295-3172 [email protected]
Costata Romanesco squash is a member of the Cucurbitaceae family and botanically classified as Cucurbita pepo. Also referred to as Ribbed Roman, it is part of the cocozelle group and is celebrated for its superior flavor and texture. Unlike hybrid varieties, it produces only about half the yield, making it prized despite its lower output. Nutritionally, it offers dietary fiber and small amounts of vitamin C, vitamin A, B6, folate, riboflavin, and manganese.
From JR Organics. …..Costata Romanesco squash is an heirloom variety native to Rome, Italy, with historical roots tracing back to the Renaissance. It spread from Italy to other Mediterranean regions, eventually reaching the United States. Unlike the widely grown zucchini, this squash is prized for its superior flavor and appeal among chefs and gardeners. It is a vigorous vining plant that thrives in warm weather with full sun but can be affected by powdery mildew after its initial harvest weeks.
Costata Romanesco is often a winner in county fair competitions for the largest squash category. This is because of its unique trait of maintaining excellent flavor and texture even when grown to larger sizes, making it stand out from other varieties of squash.
