Origin & history

Incrocio Terzi 1 is a modern Italian red grape bred in Bergamo by Riccardo Terzi. For a long time it was described as a crossing of Barbera and Cabernet Franc, which explains one of its older technical synonyms. Later DNA analysis corrected that parentage and showed that the true second parent is Merlot.

This corrected identity makes good sense in stylistic terms. Incrocio Terzi 1 often seems to sit between Barbera’s freshness and Merlot’s fuller fruit and color. It belongs to the small but fascinating family of Italian twentieth-century breeding projects that remained local rather than becoming broadly commercial.

The grape is historically concentrated in Lombardy, especially in the provinces of Bergamo and Brescia. It never became widespread, but it did secure a small place in regional red wine production and was admitted to several local DOC appellations.

Today Incrocio Terzi 1 remains a specialist variety. Its value lies less in scale than in what it represents: a distinct Lombard answer to the search for a darker, fuller, still regionally grounded red grape.

Ampelography: leaf & cluster

Leaf

Incrocio Terzi 1 has medium-large leaves, generally three- to five-lobed, with a fairly thick blade and a deep green color. The vine presents the practical, sturdy look of a quality-oriented northern Italian crossing rather than the delicate visual identity of an old aristocratic landrace.

The overall impression is of a robust and capable red vine, built for hillside viticulture and steady production rather than fragile refinement.

Cluster & berry

Clusters are generally medium-sized, cylindrical to conical, and moderately compact. The berries are medium-small, spherical, and blue-black in color, with thick skins rich in anthocyanins and polyphenols.

This already explains much of the grape’s wine style. Incrocio Terzi 1 is physically built for color and substance. The pulp is juicy and acidulous, which helps preserve freshness beneath the darker fruit profile.

Leaf ID notes

• Status: rare modern Lombard red wine grape.
• Berry color: red / dark-skinned.
• General aspect: sturdy northern Italian crossing with medium-large lobed leaves and compact bunches.
• Style clue: thick-skinned berries rich in color compounds and polyphenols.
• Identification note: historically linked to Bergamo and Brescia, with older synonyms reflecting its formerly assumed Cabernet Franc parentage.

Viticulture notes

Growth & training

Incrocio Terzi 1 has medium-high vigor and a generally expansive growth habit. It is often described as rustic, regular in production, and well adapted to the hilly climates of northern Italy.

The grape ripens in the medium-late part of the season, usually from late September into early October. Productivity is medium-high to high and tends to be steady, which was one of the reasons it appealed to growers. Still, as with many productive red grapes, quality improves when vigor and crop size are kept in balance.

This is not a difficult grape merely because it is fragile. Its challenge is more classical than that: to turn abundance into concentration without losing the freshness that makes it distinctive.

Climate & site

Best fit: sunny hill sites in Lombardy with a temperate to temperate-cool climate, where the fruit can ripen evenly and retain good acidity.

Soils: especially suited to clay-rich or calcareous-marly soils, which help the grape achieve balanced maturation and preserve structure.

These conditions fit the grape well because they provide enough warmth for color development while still maintaining the northern Italian line of freshness that keeps the wines from feeling heavy.

Diseases & pests

Incrocio Terzi 1 is generally regarded as drought tolerant and fairly comfortable in humid conditions, which is a useful combination in the mixed weather patterns of northern Italy. At the same time, the moderate compactness of the bunch means that in very wet years growers still need to watch carefully for botrytis.

That combination makes it a practical grape, but not a careless one. Vineyard attention still matters.

Wine styles & vinification

Incrocio Terzi 1 typically produces dark-colored, alcohol-rich red wines. The profile often suggests black cherry, plum, darker berries, and a firm but not excessively austere structure. The grape’s Barbera side helps preserve energy, while the Merlot side appears to contribute body and color.

These are usually not delicate transparent reds. Even when the wine stays regional in feel, it tends to have a deeper and fuller frame than many local northern Italian varieties. That is one reason it found a place in red DOC contexts such as Capriano del Colle, Cellatica, and Terre del Colleoni.

At its best, the style feels substantial without losing its local freshness. It is a grape of dark fruit and practical seriousness rather than of glossy international polish.

Terroir & microclimate

Incrocio Terzi 1 appears to express terroir through ripeness, color density, and the balance between alcohol and acidity more than through overt aromatic delicacy. In stronger hill sites it becomes darker and more complete. In less favorable years or flatter settings it may feel broader and simpler.

This makes it a grape that responds clearly to site quality, even if its language remains more structural than perfumed.

Historical spread & modern experiments

Modern interest in local Lombard grapes has given Incrocio Terzi 1 a second life as a heritage red rather than just a technical crossing. That matters, because the grape represents a particular moment in Italian viticulture when breeding was used to shape more regionally suitable wines.

Its future is likely to remain small-scale and specialist, but that may suit it perfectly. It does not need large acreage to justify its place. It only needs a few serious growers and the right hills.

Tasting profile & food pairing

Aromas: black cherry, plum, dark berries, and a firm regional red-fruit character. Palate: dark-colored, structured, alcohol-rich, and fresh enough to remain balanced.

Food pairing: Incrocio Terzi 1 works well with roast beef, pork shoulder, game birds, aged cheeses, mushroom dishes, and Lombard cuisine where a darker but not overly tannic red is welcome.

Where it grows

• Bergamo province
• Brescia province
• Lombardy
• Valcalepio hillside context
• Capriano del Colle DOC
• Cellatica DOC
• Terre del Colleoni DOC
• Small experimental or minor additional plantings beyond Lombardy

Quick facts for grape geeks

Field	Details
Color	Red / Dark-skinned
Pronunciation	een-KROH-choh TER-tsee OO-noh
Parentage / Family	Italian Vitis vinifera crossing of Barbera × Merlot; older literature often cited Cabernet Franc before DNA correction
Primary regions	Bergamo, Brescia, and the wider Lombardy hill-wine context
Ripening & climate	Medium-late ripening grape suited to sunny hill sites in temperate to temperate-cool northern Italy
Vigor & yield	Medium-high vigor with regular medium-high to high productivity
Disease sensitivity	Drought tolerant and reasonably comfortable in humidity, though compact bunches require attention in wet botrytis-prone years
Leaf ID notes	Medium-large lobed leaves, moderately compact bunches, thick blue-black skins, and deeply colored fruit rich in anthocyanins
Synonyms	Barbera x Cabernet Franc N. 1, Gratena, Gratena Nero, Terzi 1