From the official production rules (disciplinare di produzione). Hover a figure to see the clause it comes from. A dash means the rules set no figure, or it is not captured yet.
Blend rules
Colli della Toscana centrale with variety name
≥ 85%named variety · Main grape
≤ 15%varieties of the same berry colour suitable for cultivation in Toscana · Others allowed
Boundary not captured yet (PGIs are not in the Eurac boundary data).
From the specification: Each type may name one or two of the varieties listed in Art. 2 (at least 85% of a single named variety; with two names, only those two, each above 15%); varietal wines follow the yields and analytical limits of their type. Natural alcohol minima may be lowered by 0.5% vol in poor vintages. Winemaking in the production zone or anywhere in Toscana; governo all'uso toscano allowed for reds if finished by 31 December.
National tier (DOC/DOCG) not captured yet; rules extracted from the specification text.