His early leadership role marked the beginning of a lifelong commitment to improving the quality of life for his community and advancing agricultural practices.

 In 1860, he traveled to Naples, where he actively supported the cause of unification and sought to bring political and social reforms to the southern regions.

In 1863, Giuseppe Devincenzi established the Mazzarosa Devincenzi winery in Montepagano, modern-day Roseto degli Abruzzi. Combining his agricultural expertise with the innovative ideas he gained from Bordeaux, he set out to create a state-of-the-art facility that would revolutionize winemaking in the region.

Devincenzi utilized materials transported via the railway network he had helped to develop as a politician, ensuring efficient logistics for the construction. To address the lack of local resources, he built a brick kiln on-site to produce the necessary materials, ensuring that the construction could proceed efficiently. The winery also featured its own carpenter and sawmill, allowing the team to cut and assemble wooden planks to precise measurements for casks and barrels.

One iconic photograph shows Berardo De Angelis, known as “Mastr Bradd,” alongside his team, assembling one of the winery’s massive barrels—a testament to the craftsmanship and dedication of those who worked there. 

Around the same time as the winery's establishment, Senator Giuseppe Devincenzi commissioned the construction of Villa Mazzarosa in Roseto degli Abruzzi. This elegant villa, designed in the neoclassical style, served as both a family residence and a symbol of the estate's prominence. 

Surrounded by meticulously landscaped gardens, the villa became a center for agricultural innovation and social gatherings, reflecting Devincenzi's commitment to progress and community engagement. Today, Villa Mazzarosa stands as a testament to the rich heritage and enduring legacy of the Mazzarosa Devincenzi family.

After returning from exile, Giuseppe Devincenzi was struck by the deplorable state of the Abruzzo countryside, which he described as "blessed by the sun but cursed by misrule." Rejecting feudal ideas and extensive farming, he dedicated himself to intensive cultivation on his family’s lands.

Devincenzi transformed the region, founding an experimental winery whose wines, as Senator Pierantoni later noted, "rivaled Bordeaux and were sold in Rome." He harnessed the waters of the Vomano River for irrigation, introduced advanced agricultural machinery, and imported prized stallions and mares from England to improve local livestock breeds.

Beyond farming, he educated young farmers on his estate, equipping them with skills so sought-after they were recruited across Italy. His work laid the foundation for a thriving, modern agricultural system, making him a revered figure in Abruzzo.

At its core was a groundbreaking water-powered elevator that allowed grapes to be transported from ground level to the processing area without manual lifting, a concept echoing modern top-down winemaking systems. This innovation eliminated the need for workers to carry heavy loads up ladders, showcasing the Senator’s concern for their welfare and his commitment to efficiency.

During the 19th century, achieving consistency in wine production was a significant challenge. Wines were often aged in smaller barrels, each with its own unique environment, leading to variability in taste, quality, and development across batches.

Originally, the winery housed three barrels of this kind, each placed in a custom-made room designed to fit its massive size and regulate temperature. Today, only one of these iconic barrels has been preserved, standing as a testament to the ingenuity and craftsmanship of the era.

These carts, running on tracks, minimized labor while preserving the integrity of the grapes during handling. Together with the water-powered elevator, this system marked a shift toward mechanized winemaking that was virtually unheard of at the time.

From the very beginning, Senator Giuseppe Devincenzi dreamed of crafting wines that could rival the finest wines of Bordeaux, which, both then and now, are often considered the pinnacle of winemaking excellence. His dedication to innovation, quality, and tradition laid the foundation for this ambitious goal.

In 1905, just two years after his passing, the Senator’s dream was realized when his wines received the highest honors from the Italian government. They were celebrated among the best in class at prestigious competitions in Bordeaux, Paris, L'Aquila, and Turin. This recognition cemented the legacy of his winery and ensured he could rest in peace, knowing his vision had been fulfilled.

Despite the obstacles, she carried forward her uncle’s vision with remarkable determination and courage.

Painted at the winery entrance, the coat of arms unites the Mazzarosa crest (red and white) on the left and the Devincenzi crest (blue and white) on the right, symbolizing the families’ historic bond and shared legacy.