Castelão is used in several blends of the DFJ wines. Pedras do Monte and Fonte do Beco are single varietal wines of Castelão.

Castelão is one of the grape varieties most cultivated in the south of Portugal, particularly in the area of the Península de Setúbal.

It has had many names throughout times: João de Santarém, Castelão Francês and the popularly spread Periquita.
Castelão develops best in hot climates and sandy and dry soils. When planted in moist and fertile soils, it produces low quality wines.
Wines produced by this grape variety are concentrated, aromatic (raspberry and gooseberry) and have good ageing potential.

The Peninsula de Setúbal region produces the best wines from this grape variety.