Bourboulenc is an old white grape from southern France, used in Provence and Rhone blends such as white Chateauneuf-du-Pape. In California it barely exists as a documented planting: it never appears in CDFA's acreage or crush reports at all, and UC Davis Foundation Plant Services carries no certified selection of it, meaning there is no verified source of clean planting material in the state. The atlas's only trace of it is a single grower tech sheet. Anywhere it is grown, it carries high acidity and neutral character, and is used for blending rather than as a standalone wine.
What kind of grape this is
- Species
- VITIS VINIFERA LINNÉ SUBSP. SATIVA (DE CANDOLLE) HEGI
- Berry color
- BLANC
- Country of origin
- FRANCE
- Synonyms
- 36
names this grape is known by elsewhere, per VIVC
Registries
What is published
Counts describe what this atlas holds for Bourboulenc, not what California grows. A zero is a published answer: it means the source names the grape and reports nothing under it, or does not name it at all.
- 0
county-years of acreage
the Grape Acreage Report has never named it in a county table
- 0
district-years of crush
no district has reported tonnage for it
- 0
district-years of Brix
Brix is published only where tonnage is
- 0
producers in this atlas
producers whose curated wine list names it — a curated roster of 2,772 producers, not a census of California
- —
regions with a maturity date
not one of the eight cultivars with a
Why it is here
No CDFA Grape Crush or Grape Acreage Report has named this grape in the 26 years this atlas covers, so every figure above is zero and none of them is a gap. It is here because California demonstrably bottles it: Ridge Grenache Blanc 2025.
Measured chemistry, from one producer's own sheets
Ridge Grenache Blanc 2025
4% bourboulenc13.7 %
alcohol
3.14
pH
5.8 g/L
TA
—
RS
Named on the sheet as “Bourboulenc” — matched by that name rather than resolved to a registry identity.
1 wine from 1 producer, each read from that producer’s own tech sheet and linked to it. No average is shown, and none should be computed from these. Wineries that publish tech sheets are selected by their own marketing departments, so a mean across them describes publishing habits rather than a grape.