DOC · Piemonte

Boca

Boca DOC (Piemonte) at a glance: 2 recorded wine types, with the main requirements from the official production specification. The specification lists Nebbiolo among the grape varieties. The technical sections cover grape yields, minimum ageing, market-release rules for the relevant wine types.

✓ Verified· September 2026

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Production rules at a glance

Quick overview of the key requirements. Values and conditions can vary by wine type: consult the detailed rules and official source.

RegionPiemonteProvincePrato

Wine typesBoca, Boca riserva

Grape varieties / compositionNebbiolo 70–90%

Maximum grape yield8 t/haMaximum wine yield56 hl/ha

Minimum planting density3,000 vines/haMinimum alcoholic strength12% vol

Ageing34 monthsMinimum ageing in wood18 months

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Wine type A · referenceWine type B · comparison

ParameterBocaBoca riservaΔ vs A

ColourRedRed—

Grape varietiesNebbiolo 70–90%Nebbiolo 70–90%—

Maximum grape yield8 t/ha8 t/ha0 t/ha (0%)

Maximum wine yield56 hl/ha56 hl/ha0 hl/ha (0%)

Minimum planting density3,000 vines/ha3,000 vines/ha0 vines/ha (0%)

Ageing34 months46 months+12 months (+35.3%)

Minimum ageing in wood18 months24 months+6 months (+33.3%)

Minimum alcoholic strength12% vol12% vol0% vol (0%)

Minimum total acidity5 g/l5 g/l0 g/l (0%)

Minimum sugar-free extract20 g/l22 g/l+2 g/l (+10%)

Release for consumptionvintage + 3 yearsvintage + 4 years+1 years (+33.3%)

ABocaBBoca riserva

Colour

ARed

BRed

Δ vs A—

Grape varieties

ANebbiolo 70–90%

BNebbiolo 70–90%

Δ vs A—

Maximum grape yield

A8 t/ha

B8 t/ha

Δ vs A0 t/ha (0%)

Maximum wine yield

A56 hl/ha

B56 hl/ha

Δ vs A0 hl/ha (0%)

Minimum planting density

A3,000 vines/ha

B3,000 vines/ha

Δ vs A0 vines/ha (0%)

Ageing

A34 months

B46 months

Δ vs A+12 months (+35.3%)

Minimum ageing in wood

A18 months

B24 months

Δ vs A+6 months (+33.3%)

Minimum alcoholic strength

A12% vol

B12% vol

Δ vs A0% vol (0%)

Minimum total acidity

A5 g/l

B5 g/l

Δ vs A0 g/l (0%)

Minimum sugar-free extract

A20 g/l

B22 g/l

Δ vs A+2 g/l (+10%)

Release for consumption

Avintage + 3 years

Bvintage + 4 years

Δ vs A+1 years (+33.3%)

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Common questions

How long must Boca be aged?

For the Boca wine type, the specification records at least 34 months of ageing. Other wine types may have different requirements; see the detailed rules below.

When can Boca wine be released for sale?

The permitted release depends on the rules for the specific wine type and, where required, its vintage. Check the official specification and the calculator where applicable.

TECHNICAL DATA

Structured data by wine type

Product specification source · expandable detail

Data by wine type

Numeric values come from the shared structured database. Official names, geographical names and regulatory wording are kept in Italian where appropriate.

Boca

Grape compositionNebbiolo 70–90%

Viticulture

RuleYieldPlanting densityNatural alcoholOfficial condition (IT)

Wine type8 t/ha3,000 vines/ha11.5%Terreni argillosi, rocciosi, limosi, sabbiosi o combinazioni; giacitura collinare; esclusi fondovalle, terreni umidi e non sufficientemente soleggiati; altitudine 300-550 m; esclusa esposizione a nord.

Vineyard-name designation7.2 t/ha3,000 vines/ha12%Dal settimo anno

Winemaking

StageGrape-to-wine yieldMaximum wine yieldOfficial rule / area (IT)

Finished wine70%56 hl/haAmmessa colmatura con uguale vino per non più del 10% del volume totale nel corso dell’intero periodo di invecchiamento obbligatorio.

Ageing

TypeTotalWoodBottle / lees

Ageing34 months18 months—

Minimum total 34 months: 18 months are assigned to a specific minimum stage; the remaining 16 months form part of the overall period without a specified minimum stage.

Characteristics at release

ColourMinimum alcoholic strengthMinimum total acidityMinimum sugar-free extract

rosso rubino con riflessi granato12% vol5 g/l20 g/l

Boca riserva

Grape compositionNebbiolo 70–90%

Viticulture

RuleYieldPlanting densityNatural alcoholOfficial condition (IT)

Wine type8 t/ha3,000 vines/ha12%Terreni argillosi, rocciosi, limosi, sabbiosi o combinazioni; giacitura collinare; esclusi fondovalle, terreni umidi e non sufficientemente soleggiati; altitudine 300-550 m; esclusa esposizione a nord.

Vineyard-name designation7.2 t/ha3,000 vines/ha12.5%Dal settimo anno

Winemaking

StageGrape-to-wine yieldMaximum wine yieldOfficial rule / area (IT)

Finished wine70%56 hl/haAmmessa colmatura con uguale vino per non più del 10% del volume totale nel corso dell’intero periodo di invecchiamento obbligatorio.

Ageing

TypeTotalWoodBottle / lees

Ageing46 months24 months—

Minimum total 46 months: 24 months are assigned to a specific minimum stage; the remaining 22 months form part of the overall period without a specified minimum stage.

Characteristics at release

ColourMinimum alcoholic strengthMinimum total acidityMinimum sugar-free extract

rosso rubino con riflessi aranciato12% vol5 g/l22 g/l

Municipalities / permitted area

Zona di produzione BocaOfficial Italian wording

Articolo 3 Zona di produzione delle uve 1. Le uve devono essere prodotte nella zona di produzione appresso indicata che comprende in tutto il territorio comunale di Boca, in parte quello di Maggiora, Cavallirio, Prato Sesia e Grignasco. Per 2 questi ultimi con l’esclusione dei terri tori a sud della strada provinciale Borgomanero – Prato Sesia e a ovest della strada provinciale della Valsesia.

Art. 3

Official source

Official product specification · Boca

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