Grape Guide
Malvazija Istarska
WhiteMalvazija Istarska is the leading white grape of the Istrian peninsula, shared between Croatia, Slovenia and the Friuli region of Italy. It is largely unrelated to the other Malvasias and yields everything from lean, saline, acacia-scented stainless-steel wines to textured barrel-aged and skin-contact bottlings with a faint honeyed note.
Key characteristics
- White-skinned, vigorous and reliably productive, ripening mid to late season
- Ampelographically distinct from most other Malvasias; closest known relatives are Malvasia di Lipari and Malvasia Bianca Lunga
- Reaches high sugar but keeps only moderate natural acidity
- Powdery mildew is its main disease concern
- Parent, with Furmint, of the Italian cross Vega
Typical flavors
Major regions
Istria, Croatia (Hrvatska Istra PDO) · Slovenian Istria (Slovenska Istra PDO) · Carso DOC, Friuli Venezia Giulia · Collio and Colli Orientali del Friuli · Friuli Isonzo · Hrvatsko Primorje, Croatia · Venezia Giulia IGT
Also known as
Malvasia Istriana (Italy) · Malvasia del Carso (Italy) · Malvasia Friulana (Italy) · Istrska Malvazija (Slovenia) · Malvazija or Malvazija Istarska Bijela (Croatia)
Malvazija Istarska is the defining white variety of the Istrian peninsula at the head of the Adriatic. Croatian Istria holds about 1,580 ha, roughly 55% of its vines, and almost all of Croatia's plantings are there, which makes the grape the country's second most planted after Graševina. Slovenian Istria has some 620 ha, about a third of its vineyard, and Italy grows a smaller area, mainly in Friuli Venezia Giulia. Nearly every Istrian grower bottles at least one version.
Style is the main variable. The grape gives pale, green-tinged wines with moderate acidity, scented with acacia blossom, green apple and almond, usually with a light honeyed tang. Made in stainless steel it is taut, saline and best within a year or two; given oak or long skin contact it becomes rounder and more apricot-toned, and the best examples hold for a decade. Alcohol can climb high in warm years.
The name points to Istria, and the variety is most likely native there, but its early history is thin. A document from 1385 mentioning Malvasia wine is often cited, yet medieval records used the word for many wines and cannot be tied to this variety. The first clear varietal record in Istria dates only from the late nineteenth century.
A popular account holds that the grape arrived from Greece, carried by Venetian traders from the port of Monemvasia. Genetic comparison with 28 Greek varieties found no relationship, and the vine is ampelographically distinct from Malvasia Bianca di Candia and Malvasia del Lazio. Its parentage is unknown. DNA profiling places it close to Malvasia di Lipari, Malvasia Nera di Brindisi and Malvasia Bianca Lunga. That proximity points to an old family of Malvasia types around the Adriatic and wider Mediterranean, not to a Greek import.
In Italy the grape is called Malvasia Istriana, with Malvasia del Carso and Malvasia Friulana as further names, while in Slovenia it is Istrska Malvazija. In 1937 Giovanni Dalmasso, working at Conegliano, crossed it with Furmint and produced Vega, a white grape that is still only a minor planting in the Veneto.
Malvazija Istarska is vigorous, adaptable to a range of sites and reliably productive, so quality depends on restraining yields. Its main disease concern is powdery mildew. It ripens mid to late season, reaching high sugar while keeping only moderate acidity, which is why some producers acidify. In Croatian Istria the soil type shapes the wine: red terra rossa gives the most structured examples, white limestone soils the most fragrant, grey marl an intermediate style and black soils a fruitier one. VCR 4 is a Friulian clone and suits richer, more phenolic and skin-contact wines, while FVG 121 gives fresher wines with better natural acidity. Slovenian growers also plant SI 37 and the VCR 113 to 115 selections, which add citrus notes and acidity.
The bulk of Malvazija Istarska is fermented cool in stainless steel, sometimes after 12 to 24 hours of cold maceration, and bottled young. These wines are pale, green-tinged and dry, with acacia, green apple, white peach and citrus, a saline finish and 11.5% to 13.5% alcohol. A second group is fermented or aged in oak, acacia or mulberry barrels, which brings honey, apricot and a gentle nuttiness. Skin-contact versions, macerated from a few days to several months in large wooden vats, amphorae or qvevri, are amber and gently tannic with dried apricot and orange peel. Wines labelled as matured must wait two years after harvest. The grape is also blended with Chardonnay, used with Pinot Noir or Chardonnay in sparkling wine because its own acidity is limited, and occasionally dried for passito. Unoaked wines cellar for two to three years; top oaked and skin-contact bottlings can last ten or more.
Where it grows
Croatian Istria
The heartland, with about 1,580 ha (2021) and roughly 55% of regional plantings. Quality wines carry the Hrvatska Istra denomination, with Western, Central or Eastern sub-region and vineyard names permitted on the label. Kozlović (Valle), Matošević, Roxanich (Motovun), Benvenuti (Kaldir, near Motovun), Coronica, Clai and Trapan are leading names; Vina Laguna is the largest producer.
Slovenian Istria
About 620 ha, around 34% of the vineyard and second only to Refošk. Soils are largely flysch, known locally as opoka, and the wines tend to be firmer and less floral than Croatian ones. Vinakoper is the best-known producer.
Friuli Venezia Giulia, Italy
Grown as Malvasia Istriana in Carso DOC, where the white is principally made from it, and in Collio, Colli Orientali del Friuli and Friuli Isonzo. Italian plantings total only a few hundred hectares, mostly in the north east.
Hrvatsko Primorje, Croatia
The variety is authorised in this coastal region as well as in Istria, but plantings outside Istria are very small.
Veneto, Italy
Present mainly through its offspring Vega, the Dalmasso cross with Furmint, which has only a few dozen hectares.