GroundWorx
Wine-grape reference

White wine grape · Vitis vinifera

Fiano

An Italian white wine grape associated with Campania, with source-described vine traits and a documented California collection history.

Origin
Italy; probably Campania
Wine-grape group
White
Names in this reference
Fiano · Apiana · Apiano · Fiore Mendillo

Vine characteristics

Italian identity, qualified regional origin

Plantgrape places Fiano's origin in Italy, probably Campania. UC Davis FPS independently lists Italy as its country of origin and identifies it as a white wine grape. FPS records Apiana, Apiano and Fiore Mendillo as synonyms; Plantgrape recognizes no official synonym for propagation material in France or the European Union. Historical names and officially recognized propagation names are different categories.

Heat, soil and fertility context

Plantgrape describes Fiano as vigorous and semi-erect, with relatively low fertility but regular production, and adapted to hot, dry climates and soils that are not very fertile. It also reports susceptibility to millerandage during rainy springs. These are cultivar-reference observations, not water requirements, planting guarantees or pruning instructions.

Regional research context

Plantgrape describes sensitivity to powdery mildew, particularly during flowering, and lower susceptibility to downy mildew. UC Davis FPS separately documents a Fiano selection donated from the UC Hopland Research & Extension Center in 1998. That selection history is not a field-performance trial, and the disease descriptions do not establish local disease pressure or treatment advice.

Reference review · November 9, 2026

Sources & scope

Cultivar descriptions are source-attributed reference material, not site prescriptions. No numeric soil-moisture threshold, disease diagnosis, regional suitability guarantee or GroundWorx performance claim is established here.