Tomato Slicing Indeterminate Costoluto Genovese Non-GMO Heirloom Seeds connect modern gardeners to centuries of agricultural heritage and culinary excellence. This historic Italian variety, documented in Thomas Jefferson's Monticello gardens from 1809 through 1826, exemplifies the depth of flavor and visual distinction that distinguishes true heirlooms from modern hybrids. The deeply ridged, lobed fruit structure—characteristic of traditional Genovese tomatoes—showcases rich, concentrated flavor ideal for fresh consumption, salads, and preservation applications. Indeterminate growth habit ensures continuous fruit production throughout the season, with harvest beginning approximately 60 days from transplant. The dense, intensely flavored flesh delivers the complex taste profile that made this variety a cornerstone of Italian cuisine and a favorite among discerning growers. Germination rates of 80% or higher provide reliable seed establishment and vigorous plant development. These non-GMO seeds are sustainably cultivated and packaged in reusable, recyclable, climate-conscious materials, honoring both the historical significance of this variety and contemporary environmental responsibility. Ideal for heritage gardeners, culinary enthusiasts, and growers seeking authentic flavor and proven performance across diverse growing conditions.

Order today and plant in your spring & fall gardens.

David’s Garden Seeds is a Veteran owned business that has been offering quality tomato seeds since 2009.

David's Garden Seeds® is a member of the GO TEXAN agriculture program.

We cannot possibly put all the directions you need for growing slicing tomatoes in your area on the seed package. We recommend that you read articles or check with other gardeners in your area.

This is an heirloom seed, meaning it has been passed down from generation to generation for at least 75 years. As a rule, heirloom seeds taste better and will grow the same year after year.

These are also open pollinated meaning they will reproduce themselves. While all heirlooms are open pollinated not all open pollinated seeds are heirlooms.

Freshly Packed: These tomato seeds are packed for the current growing season and will provide high germination rates next year as well.