Making Wine from Sangiovese Grapes

The History and Origins of Sangiovese

Sangiovese is the soul of Italian wine, the most widely planted red grape variety in Italy and the foundation of some of the world's most iconic wines. Its name is believed to derive from the Latin sanguis Jovis, meaning blood of Jupiter, a reference to the Roman god and a testament to the grape's ancient pedigree. DNA research has identified Sangiovese as a natural cross between Ciliegiolo (a Tuscan variety whose name means little cherry) and Calabrese di Montenuovo, an obscure grape from southern Italy. This parentage suggests that Sangiovese may have originated in central or southern Italy before finding its spiritual home in Tuscany.

Tuscany and the Chianti Tradition

Sangiovese has been the backbone of Tuscan winemaking for centuries. The grape is the primary component of Chianti, one of Italy's oldest and most recognized wine regions, with documented production dating to at least the fourteenth century. The modern Chianti Classico DOCG requires a minimum of 80 percent Sangiovese, and many producers use 100 percent. Sangiovese also forms the basis of Brunello di Montalcino (where it is known as Brunello and must comprise 100 percent of the blend), Vino Nobile di Montepulciano (where it is called Prugnolo Gentile), and Morellino di Scansano.

The Super Tuscan Revolution

In the 1970s and 1980s, a group of innovative producers broke with tradition by blending Sangiovese with international varieties like Cabernet Sauvignon and Merlot, or by aging Sangiovese in French oak barriques rather than the traditional large Slavonian oak casks. These wines, initially classified as humble table wine because they fell outside existing regulations, quickly gained international acclaim and became known as Super Tuscans. This revolution demonstrated Sangiovese's remarkable versatility and helped elevate Italian wine's global reputation.

Growing Conditions for Sangiovese

Climate Requirements

Sangiovese is a late-ripening variety that requires a long, warm growing season to achieve full maturity. The grape thrives in the Mediterranean climate of central Italy, with hot, dry summers and mild winters. Ideal growing temperatures range from 75 to 88 degrees Fahrenheit during the ripening period. Sangiovese is sensitive to excessive heat, which can cause the grape to shut down and stop ripening, and to insufficient warmth, which produces underripe wines with harsh tannins and excessive acidity. The best sites provide warm days and cool evenings, with adequate but not excessive rainfall.

Soil Characteristics

In Tuscany, the most prized Sangiovese vineyards are planted on galestro, a crumbly, marl-limestone soil that provides excellent drainage and forces the vine to root deeply. Alberese, a harder limestone, is also highly valued. These calcareous soils contribute to Sangiovese's characteristic high acidity, one of the grape's defining features. Clay soils produce fuller, more structured wines, while sandy soils yield lighter, more aromatic expressions.

Harvest Considerations

Sangiovese should be harvested when Brix levels reach 23 to 25 degrees, targeting a potential alcohol of 13 to 14 percent. The grape's naturally high acidity means that achieving phenolic ripeness (ripe seeds and skins) before sugar levels become excessive is critical. Aim for a pH of 3.2 to 3.5 and a titratable acidity of 0.65 to 0.85 grams per liter. Ripe Sangiovese should display flavors of cherry and red plum with brown, crunchy seeds. Green seeds and herbaceous flavors indicate underripeness and will produce a harsh, astringent wine.

Winemaking Techniques for Sangiovese

Sangiovese presents unique challenges for the winemaker. Its thin skin, high acidity, and moderate tannin require careful handling to produce balanced, expressive wines. However, the rewards for patient, attentive winemaking are extraordinary.

Crushing and Must Assessment

Destem and crush the grapes carefully. Sangiovese's thin skins are vulnerable to rough handling. Add 30 to 50 parts per million of sulfite and assess the must chemistry thoroughly. Sangiovese musts frequently have high acidity (sometimes with TA above 0.85 grams per liter), which is actually a positive attribute as long as it is balanced by sufficient fruit ripeness. Unlike many other red varieties, Sangiovese rarely needs acid additions; in fact, you may need to deacidify (using calcium carbonate or potassium bicarbonate) if the acidity is aggressively high and the fruit is not fully ripe.

Yeast Recommendations

Lalvin ICV-D254 produces excellent results with Sangiovese, enhancing color stability and producing wines with complex aromatics and round tannins. Lalvin BM45 is particularly well-suited to Sangiovese, as it was isolated from a Brunello di Montalcino fermentation and excels at enhancing mouthfeel and mid-palate richness in high-acid, moderate-tannin varieties. Enartis Ferm WS is another strong choice for Italian varieties. Red Star Premier Rouge offers a clean, reliable option that allows Sangiovese's distinctive character to shine through.

Fermentation Management

Ferment Sangiovese at 75 to 85 degrees Fahrenheit. The grape benefits from moderately warm fermentation to extract color from its thin skins and develop its characteristically complex aromatics. Perform gentle punch-downs twice daily. Sangiovese's thin skins extract more quickly than thick-skinned varieties, so monitor tannin levels carefully. A total maceration time of 10 to 16 days is typical. Extended maceration beyond two weeks should be guided by daily tasting, as over-extraction can produce excessively drying tannins.

Malolactic Fermentation

Malolactic fermentation is essential for Sangiovese. Given the grape's naturally high malic acid content, MLF has a dramatic softening effect on the wine's acidity, transforming it from sharp and angular to smooth and balanced. Inoculate promptly after pressing with a reliable culture such as VP41, which is specifically recommended for high-acid musts. Maintain temperatures above 64 degrees Fahrenheit and allow four to eight weeks for completion.

Flavor Profile and Characteristics

Aromas and Tasting Notes

Sangiovese's flavor profile is defined by its bright acidity and red fruit character. Classic aromas and flavors include sour cherry, red plum, raspberry, strawberry, and tomato leaf, accompanied by secondary notes of dried herbs, leather, tea, tobacco, and earth. The palate is typically medium-bodied with firm, sometimes grippy tannins and a vibrant, mouth-watering acidity that makes the wine an exceptional food partner. With age, Sangiovese develops remarkable complexity, revealing layers of dried cherry, balsamic, leather, cedar, and sweet tobacco.

Oak Aging Approaches

Sangiovese offers winemakers a choice between two distinct oak aging philosophies. The traditional approach uses large Slavonian oak casks (botti) of 500 to 5,000 liters, which impart minimal oak flavor but allow slow, gentle oxidation that softens tannins and integrates the wine. The modern Super Tuscan approach uses French oak barriques (225 liters), which contribute more pronounced vanilla, spice, and toasty notes. For home winemakers, light to medium-toast French oak alternatives at 0.5 to 1 ounce per gallon approximate the barrique approach, while using older, more neutral oak or minimal oak contact approximates the traditional botti style. Aging for 10 to 18 months is typical.

Food Pairings for Sangiovese

The Perfect Italian Table Wine

Sangiovese is arguably the world's greatest food wine, and its natural home is the Italian table. The grape's high acidity, moderate tannins, and savory character make it an extraordinary partner for tomato-based dishes, including pasta with marinara, bolognese, and puttanesca sauces. Pizza, lasagna, eggplant parmigiana, and osso buco are all classic pairings. The wine's affinity for tomato is almost unique among red varieties and stems from Sangiovese's bright acidity mirroring the acidity of the tomato.

Meat and Cheese Pairings

Sangiovese pairs beautifully with grilled and roasted meats, particularly bistecca alla fiorentina (the massive Florentine T-bone), grilled sausages, roasted chicken, and veal. Hard Italian cheeses such as Parmigiano-Reggiano, Pecorino Toscano, and aged Provolone are outstanding accompaniments that echo the wine's savory, earthy qualities. Cured meats like prosciutto, salami, and bresaola create effortless pairings.

Managing Sangiovese's Challenges

Acidity Management

Sangiovese's high natural acidity is both its greatest asset and its primary challenge. In the finished wine, acidity provides freshness, food compatibility, and aging potential. But if the grapes are underripe, the acidity can be aggressively sharp. The key is to ensure full phenolic ripeness at harvest, meaning brown seeds and ripe skin tannins, even if Brix levels are moderate. Malolactic fermentation is the most effective tool for softening excessive acidity.

Color Stability

Sangiovese's thin skin produces wines with moderate color that can fade with age. To maximize and stabilize color, consider a brief cold soak of 24 to 48 hours before fermentation, select yeast strains that promote anthocyanin-tannin bonding (like D254 or BM45), and ensure a warm enough fermentation temperature for adequate extraction. Adding a small percentage of Colorino (a deeply pigmented Italian variety) is a traditional Tuscan technique for enhancing color.

Frequently Asked Questions

What is the best yeast for Sangiovese?

Lalvin BM45 is widely considered the premier yeast for Sangiovese, as it was literally isolated from a Brunello di Montalcino fermentation. It enhances mouthfeel, polysaccharide production, and mid-palate richness. Lalvin ICV-D254 is another excellent option for color stability and complex aromatics.

What fermentation temperature should I use for Sangiovese?

Ferment Sangiovese at 75 to 85 degrees Fahrenheit. Moderately warm fermentation is needed to extract sufficient color from the thin skins while developing the grape's characteristically complex aromatics of cherry, herbs, and earth.

Why is my Sangiovese too acidic?

High acidity in Sangiovese usually indicates underripe grapes or incomplete malolactic fermentation. Ensure your grapes are fully ripe at harvest (brown seeds, no green flavors) and always put Sangiovese through complete malolactic fermentation. If acidity remains excessive after MLF, small additions of calcium carbonate or potassium bicarbonate can help, but use these cautiously and in bench trials first.

How long should I age Sangiovese before drinking?

Lighter Sangiovese styles (like Chianti) can be enjoyed within 6 to 12 months of bottling. More structured wines (like Brunello-style or Super Tuscan-style) benefit from 2 to 5 years of bottle aging and can improve for 10 to 20 years. The grape's high acidity provides an excellent framework for long-term aging.

Can I blend Sangiovese with Cabernet Sauvignon?

Yes, the Sangiovese-Cabernet Sauvignon blend is the foundation of many Super Tuscan wines. Cabernet Sauvignon adds color, structure, and cassis aromatics that complement Sangiovese's cherry fruit and acidity. A blend of 70 to 85 percent Sangiovese with 15 to 30 percent Cabernet Sauvignon is a proven formula.

What is the difference between Chianti and Brunello di Montalcino?

Both wines are made primarily from Sangiovese, but they differ significantly. Chianti Classico can include up to 20 percent of other approved varieties and is generally lighter and more immediately approachable. Brunello di Montalcino must be 100 percent Sangiovese, is aged for a minimum of four years before release (five for Riserva), and produces more powerful, concentrated, age-worthy wines.

Does Sangiovese need malolactic fermentation?

Malolactic fermentation is essential for Sangiovese. The grape's high natural malic acid content would produce an uncomfortably sharp wine without MLF. This process converts malic acid to softer lactic acid, dramatically improving the wine's balance, texture, and drinkability.

How much wine will I get from Sangiovese grapes?

Expect approximately one gallon of finished wine per 14 to 16 pounds of Sangiovese grapes. The grape's thin skins mean slightly more juice per pound compared to thick-skinned varieties like Cabernet Sauvignon, but yields can vary depending on how ripe and concentrated the fruit is at harvest.