Key Grapes: Tempranillo, Garnacha, Graciano, Mazuelo, Viura (Macabeo), Malvasía, Garnacha Blanca

Spanish viticulture stretches back to Phoenician settlement and was flourishing under Roman rule, with Ribera del Duero winemaking evidenced by archaeological finds more than 2,000 years old. Tempranillo's name derives from the Spanish word 'temprano' meaning early, reflecting its earlier-than-average ripening time, while Garnacha's origins in Aragón date back over 500 years. Rioja received DO status in 1925 and became Spain's first Denominación de Origen Calificada in 1991. The region's traditional blend of Tempranillo, Graciano, and Mazuelo was codified in the mid-20th century by figures like Antonio Larrea, who in 1956 recommended a blend of 75% Tempranillo, 15% Graciano, and 10% Mazuelo as the ideal formula. Phylloxera, which devastated Rioja around 1899, forced large-scale replanting and accelerated Tempranillo's dominance because of its ease of cultivation and high yields.

• Rioja's earliest written evidence of viticulture dates to 873 AD, in a notarial document from the San Andrés de Trepeana Monastery
• Phylloxera arrived in Rioja around 1899; the replanting program that followed cemented Tempranillo as the dominant red variety across northern Spain
• Campo de Borja has winemaking records dating to the late 12th century through the Cistercian Monastery of Veruela, which was instrumental in post-phylloxera replanting

Tempranillo thrives across northern and central Spain, with its three largest regional plantings in Castilla-La Mancha, Castilla y León, and La Rioja. Rioja DOCa spans three sub-zones: Rioja Alta and Rioja Alavesa, which share cooler Atlantic influences and clay-limestone soils at 450-650 metres, and Rioja Oriental, formerly Rioja Baja, which is warmer and drier with a stronger Mediterranean character. Garnacha excels in the hot, arid conditions of Aragón: Campo de Borja has annual rainfall of just 350mm in its lowest zones, while Calatayud holds the highest-altitude Garnacha vineyards in Spain. Priorat's steep llicorella slate terraces receive less than 500mm of rainfall annually, producing intensely concentrated Garnacha and Carignan. Terra Alta and Priorat in Catalonia are the heartland for Garnacha Blanca, while Viura performs best in the cooler, limestone-rich plots of Rioja Alta and Rioja Alavesa.

• Rioja DOCa encompasses approximately 64,000 hectares of vineyards planted on terraces reaching up to 800 metres above sea level in a range of clay-limestone, clay-ferrous, and alluvial soils
• Campo de Borja vineyards sit at 350-750 metres elevation with annual rainfall of just 350-450mm, concentrating sugars in Garnacha grapes
• Terra Alta in southern Catalonia hosts around 1,400 hectares of Garnacha Blanca, accounting for roughly one-third of global white Grenache plantings

Tempranillo is the structural anchor of Spanish red wine, producing medium to full-bodied wines with cherry, tobacco, and leather notes that deepen with extended American or French oak aging. American oak, long the Rioja tradition, imparts vanilla, coconut, and dill; French oak, favored by modern producers in Ribera del Duero, emphasizes darker fruit and spice. Garnacha produces generous, ripe-fruited wines with red berry, white pepper, and mineral character; it ripens late and tends to high alcohol, making yield control essential for quality. Graciano is a low-yielding variety that contributes color, floral aromas, and firm acidity to Rioja blends, earning comparisons to Petit Verdot in Bordeaux. Mazuelo adds deep color, high acidity, and structure, though its tendency toward high yields must be managed carefully. Viura makes crisp, lemon-scented still whites in Rioja and contributes acidity and floral lift to Cava blends. Garnacha Blanca, a light-skinned mutation of Garnacha Tinta, produces full-bodied whites with stone fruit, citrus, herbal, and chalky mineral character, standing up well to barrel aging.

• Tempranillo is authorized in at least 28 Spanish DOs and is known by regional synonyms including Cencibel, Tinto Fino, Tinta del País, Tinta de Toro, and Ull de Llebre
• Graciano's difficulty in the vineyard, due to uneven ripening and low yields, earned it the nickname 'gracías no' and contributed to its near-extinction in Rioja by the 1970s
• Viura contributes freshness, acidity, and floral notes to Cava when blended with Xarel-lo and Parellada; in traditional Rioja Blanco it can be barrel-aged for extended oxidative complexity
• Garnacha Blanca from Terra Alta is characterized by complex aromas of citrus, peach, and chalky minerality, with a creamy texture that develops further with oak contact

In Rioja, López de Heredia is among the most celebrated traditionalists, producing long-aged whites from Viura and reds built around Tempranillo with meaningful proportions of Graciano. Marqués de Murrieta, another Rioja classic, has long maintained Mazuelo in varietal bottlings as well as blends. In Ribera del Duero, Vega Sicilia works with Tempranillo, known locally as Tinto Fino, and is among Spain's most storied producers. Borsao cooperative in Campo de Borja is widely credited with raising the profile of old-vine Garnacha in that DO, while Priorat's revival in the late 1980s and 1990s, led by producers including Alvaro Palacios and René Barbier, showed Garnacha and Carignan could achieve international acclaim from steep llicorella terraces. For Garnacha Blanca, producers in Terra Alta such as Edetaria and Herència Altés are demonstrating the grape's capacity for minerality, texture, and aging potential.

• Rioja boasts over 600 registered wineries and more than 1.3 million barrels, with over 65% of red wines aged in barrel before release
• The revival of Priorat as a premium wine region in the late 1980s centered on low-yielding old-vine Garnacha and Carignan on steep llicorella slate soils
• Campo de Borja's cooperative structure means Garnacha is produced at accessible price points, with 62% of the DO's vineyards devoted to the grape

Spain's DO system was created in 1932 and revised in 1970, with the superior Denominación de Origen Calificada level introduced when Rioja became the first DOCa in 1991. Priorat followed as the second DOCa in 2006. In Rioja, authorized red varieties are Tempranillo, Garnacha Tinta, Graciano, Mazuelo, and the indigenous Maturana Tinta; red blends must contain at least 95% from this list. White varieties authorized in Rioja include Viura, Garnacha Blanca, Malvasía de Rioja, Maturana Blanca, and Tempranillo Blanco, plus a capped use of international varieties such as Chardonnay, Sauvignon Blanc, and Verdejo. Rioja's aging tiers move from Genérico (no minimum) through Crianza (minimum one year in oak plus one in bottle for reds), Reserva (three years total, minimum one in oak), and Gran Reserva (minimum two years in oak and three in bottle). Campo de Borja DO was established in 1980 and is centered on Garnacha. Cava regulations require minimum nine months of lees aging for non-vintage wines and allow Macabeo as the dominant white variety.

• Rioja received its original DO status in 1925 and was elevated to DOCa in 1991, making it Spain's first and longest-standing qualified designation
• Priorat became Spain's second DOCa in 2006, with authorized red varieties including Garnacha, Cariñena (Mazuelo/Samsó), Cabernet Sauvignon, Merlot, Syrah, and Pinot Noir
• At least one Rioja producer, Marqués de Riscal, holds a historic special dispensation permitting Cabernet Sauvignon in its red blends, though this remains exceptional

Tempranillo aged in American oak develops signature notes of vanilla, coconut, and dill alongside cherry and dried herb; French oak aging shifts the profile toward darker fruit, tobacco, cedar, and more restrained spice. Garnacha is defined by ripe red fruit, raspberry and strawberry when young, with white pepper and saline mineral notes; its naturally high alcohol requires careful yield management to avoid over-ripeness. Graciano is highly aromatic, offering violet, floral, and dark fruit notes with firm tannins and high-toned acidity that prevents blends from becoming heavy. Mazuelo provides deep color, assertive tannin, and brisk acidity alongside plum and earthy aromas; its structure is most revealing from low-yield, older vines. Viura in still white Rioja shows lemon, green apple, and white blossom, evolving toward honeyed, waxy, and nutty complexity with extended oak aging. Garnacha Blanca surprises with a full body more reminiscent of red wine, with stone fruit, Mediterranean herbs, chalky minerality, and a creamy palate texture that rewards barrel maturation.

• Tempranillo's tannins integrate noticeably between the Crianza and Gran Reserva stages, with top examples showing decades of development
• Garnacha is prone to oxidation and browning at the rim even in young wines, reflecting its low anthocyanin levels and sensitivity to oxygen
• Viura fermented in cool stainless steel retains bright citrus and floral freshness for early drinking; oak-aged versions from old vines can develop complexity over many years