Wine education through experience.

If you've spent time tasting Pinot Noir, you've probably heard winemakers mention clones. "This block is planted to Pommard," they'll say, or "we use a mix of Dijon clones." The terminology sounds technical, perhaps intimidating. But understanding what clones are—and why winemakers care about them—opens a window into what makes Pinot Noir so endlessly fascinating and why no two producers' wines taste exactly alike.

Pinot Noir is one of the world's oldest grape varieties, with a history stretching back at least a thousand years in Burgundy. Over those centuries, the variety has developed countless natural variations—subtle genetic differences that affect everything from cluster size to flavor profile. These variations, preserved through careful propagation, are what we call clones. They're not different grape varieties, but different versions of the same variety, each with its own personality.

For wine lovers, clones matter because they're one more variable that shapes what ends up in your glass. Two Pinot Noir wines from the same vineyard, farmed and vinified identically but planted to different clones, will taste noticeably different. Understanding clones helps you understand why Pinot Noir from one producer tastes different from another, even when both are working with the same grape variety in the same region. It's another piece of the puzzle that makes wine exploration so rewarding.

What Clones Actually Are

A clone, in viticultural terms, is a vine that's been propagated vegetatively from a single parent vine. When you take a cutting from a vine and plant it, the resulting vine is genetically identical to the original—a clone. This is different from growing a vine from seed, which would produce a genetically unique plant combining traits from two parents.

Over time, random genetic mutations occur naturally in any plant population. Most mutations are neutral or harmful, but occasionally one proves beneficial—producing better fruit, more resistance to disease, or simply different characteristics that might be desirable. When viticulturists notice a vine performing differently from its neighbors, they can preserve that variation by taking cuttings from that particular vine and propagating them.

This process has been happening for centuries. Burgundian monks, who perfected Pinot Noir cultivation over generations, noticed that certain vines in their vineyards performed differently than others. They selected the best performers, took cuttings, and propagated them. Over time, distinct families of Pinot Noir emerged—each traceable to specific mother vines, each with its own characteristics that had proven valuable enough to preserve.

The differences between clones can be significant or subtle. Some clones produce smaller berries with more concentrated flavors. Others produce looser clusters that resist rot in damp conditions. Some ripen earlier or later, develop higher or lower acid, or produce wines with distinctive aromatic profiles. None is objectively "better"—each has strengths suited to different conditions and winemaking goals.

Pinot Noir is particularly prone to mutation, which is why it has so many recognized clones—hundreds, by some counts. Other varieties are more genetically stable and have fewer distinct clones. This mutability is part of what makes Pinot simultaneously challenging to grow and endlessly interesting to study. The variety seems to want to become many things at once.

A Brief History of Pinot Noir Clones

The story of Pinot Noir clones is inseparable from the story of Burgundy. For centuries, the Cistercian and Benedictine monks who cultivated Burgundy's vineyards selected and propagated vines that performed well in their specific sites. This careful selection, conducted over generations without any scientific understanding of genetics, created the foundation for today's clonal diversity. The monks were empiricists: they observed, they selected, they propagated what worked.

By the time modern science began studying grapevines, Burgundy's vineyards contained an astonishing genetic library—countless variations of Pinot Noir, each shaped by centuries of selection in specific places. The challenge became cataloging and understanding this diversity, separating genuinely distinct clones from minor variations and identifying which characteristics mattered for wine quality.

The Dijon Program

Modern clonal research began in earnest after World War II. The University of Dijon, working with French agricultural authorities, undertook systematic study of Burgundy's Pinot Noir vines. Researchers identified, cataloged, and characterized distinct clonal variations, eventually certifying specific clones for commercial propagation. This work was painstaking—comparing vines across sites, tracking performance over multiple vintages, isolating virus-free material.

The Dijon clones—numbered designations like 115, 667, 777, and others—became internationally important when California winemakers began seeking alternatives to the Pinot Noir material already established in the state. The Dijon clones offered different characteristics than what California growers had been working with, and they proved well-suited to many California growing conditions. Their arrival transformed California Pinot Noir.

The research continues today. New clones are still being identified, characterized, and certified. The understanding of existing clones deepens as winemakers accumulate experience with them in various sites. Science and tradition continue to inform each other.

California's Clonal Journey

California's Pinot Noir history involves several waves of clonal importation. Early plantings often used whatever material was available—sometimes called "suitcase clones" because they arrived informally, tucked in luggage or pockets rather than through official channels. These heritage selections, while not systematically characterized, contributed to the genetic diversity of California's vineyards and produced some remarkable wines.

The Pommard and Wädenswil clones arrived in the mid-twentieth century and became workhorses of California Pinot Noir production. Pommard, traced to the Burgundian village of that name, produces wines with good color and structure. Wädenswil, developed in Switzerland, adapted well to California conditions and offered reliability. For decades, these clones dominated California plantings.

The Dijon clones began arriving in significant quantities in the 1980s and 1990s, transforming how California winemakers thought about Pinot Noir. Suddenly, growers had access to material specifically selected for quality characteristics rather than just productivity or disease resistance. Many of today's most celebrated California Pinot Noirs rely heavily on Dijon clone material, often blended with the earlier heritage selections.

Today, a well-planned California Pinot Noir vineyard typically includes multiple clones—some Dijon selections for elegance and aromatics, some heritage material for structure and complexity, chosen and placed based on the site's specific conditions. The diversity is intentional, creating more options at blending time.

Want to taste how different clones express themselves in wine? Book a tasting at Kanzler and explore our estate Pinot Noirs, made from multiple clones planted across our twenty-acre vineyard.

The Major Clone Families

While dozens of Pinot Noir clones exist, most fall into recognizable families with shared characteristics. Understanding these families helps you interpret what winemakers are telling you—and predict what you might taste. Think of it like knowing the difference between apple varieties: once you know a Honeycrisp from a Granny Smith, you can make informed choices.

Dijon Clones

The Dijon clones—particularly 115, 667, 777, and 828—have become among the most important in California. Each has distinct characteristics that winemakers have learned to understand and deploy:

Clone 115 tends toward elegance and aromatics. It typically produces wines with bright red fruit, floral notes, and moderate structure. Many winemakers consider it among the most Burgundian in character of the Dijon selections—fine-boned and perfumed rather than powerful.

Clone 667 offers more body and darker fruit than 115. Wines from 667 often show black cherry and plum notes with firmer tannins. It's frequently used to add structure to blends, providing backbone that lighter clones may lack.

Clone 777 is prized for intensity and complexity. It produces small berries with concentrated flavors, often yielding wines with both power and finesse. The clone can be challenging to grow—it's susceptible to certain diseases and produces modest yields—but the results reward the effort. Many winemakers consider it among the finest Dijon selections.

Clone 828 ripens later than the others and produces wines with notable acidity and tension. It's often blended with earlier-ripening clones to add freshness and age-worthiness. The brightness it contributes can lift an entire blend.

Pommard and Wädenswil

These heritage clones preceded the Dijon wave and remain important in California viticulture. Pommard (sometimes called UCD 4 or 5) produces wines with good color, robust tannins, and earthy, savory characteristics. It tends toward darker fruit and more obvious structure than the Dijon clones. Wines with significant Pommard contribution often age well, developing complexity over time.

Wädenswil (UCD 2A) adapted well to California and became widespread before the Dijon clones arrived. It produces reliable crops and wines with pleasant fruit and moderate complexity. While less fashionable today than the Dijon selections, Wädenswil contributes to many successful California Pinot Noirs and shouldn't be dismissed. Fashion isn't the same as quality.

Heritage and Field Selections

Some of California's most interesting Pinot Noir comes from old plantings of uncertain clonal origin. These heritage selections—often called "field selections" or "suitcase clones"—may include multiple genetic variations within a single vineyard. The diversity can create complexity, as different vines contribute different characteristics to the blend.

The Swan selection, named for Joseph Swan who propagated it from unspecified Burgundian material, produces distinctive wines that many consider among California's finest. Similarly, the Calera selection, developed by Josh Jensen from Burgundian material, has its own devoted following. These selections carry history—they connect today's wines to the pioneers who first believed California could produce great Pinot Noir.

Heritage selections also provide genetic diversity that the commercial clone market lacks. As climate change alters growing conditions and new diseases emerge, maintaining diverse genetic material becomes increasingly important. The old plantings are genetic libraries as much as they are vineyard blocks.

How Clones Affect What You Taste

Understanding clones conceptually is one thing; experiencing their differences in the glass is another. The variations can be subtle or striking, depending on how different the clones are and how prominently they feature in the final wine. Here's what to look for when tasting wines from different clones or asking winemakers about their clonal mix.

Fruit Character

Clones influence whether a wine leans toward red fruit (cherry, strawberry, raspberry) or dark fruit (plum, blackberry, black cherry). The Dijon clones generally favor red fruit, while Pommard tends toward darker expressions. This isn't absolute—site and winemaking matter too—but clonal character provides a foundation that other factors build upon.

Some clones produce fruit with specific character notes beyond the red/dark spectrum. Clone 115 often shows distinct cherry and raspberry notes. Clone 667 can lean toward black cherry and plum. Heritage clones sometimes offer wild strawberry or cranberry notes that the more modern selections lack. Paying attention to fruit character is one way to start recognizing clonal signatures.

Structure and Texture

Tannin levels and overall weight vary significantly by clone. Pommard wines typically feel more robust, with grippy tannins and a sense of heft. Clone 115 tends toward silkiness and elegance, with finer-grained tannins. Clone 667 falls somewhere between, offering structure without heaviness. Clone 777 can show concentrated texture with firm but ripe tannins.

The texture differences become more apparent as you taste thoughtfully. A wine dominated by Dijon clones might feel lighter on its feet, more graceful. A wine with significant Pommard contribution might feel more grounded, more weighty. Neither is better—they're different styles, suited to different foods and different occasions.

Aromatics

Some clones are notably aromatic; others are more restrained. Clone 115 often shows pronounced floral and perfumed notes—rose petal, violet, sometimes a tea-like delicacy. Clone 777 can display complex spice aromatics alongside its fruit. Heritage clones sometimes offer earthy, forest-floor qualities—mushroom, dried leaves, damp earth—that the more modern selections lack.

Aromatic intensity also varies. Some clones seem to leap from the glass, announcing themselves immediately. Others are quieter, requiring attention and patience to fully appreciate. Neither approach is superior; they simply offer different tasting experiences.

The Blending Advantage

Most serious Pinot Noir producers plant multiple clones specifically to create more complex wines through blending. Each clone contributes something different—aromatics from one, structure from another, brightness from a third. The art lies in combining these elements into a wine greater than any clone could produce alone.

This is why you'll rarely find a high-end Pinot Noir from a single clone. The complexity that wine lovers prize typically emerges from the interplay of multiple clonal contributions, layered together through thoughtful blending. A single clone might excel at one thing; the blend excels at many things simultaneously.

Blending decisions happen both in the vineyard—where clones are planted in which blocks—and in the cellar, where the winemaker decides how to combine lots from different sections of the property. Both decisions matter, and both reflect accumulated knowledge about how the specific clones behave in the specific site.

Exploring Clones at Kanzler

Our twenty-acre estate vineyard in Sebastopol Hills is planted to multiple Pinot Noir clones, selected for how they perform in our specific site's Goldridge soils and coastal climate. We've been farming these vines for nearly thirty years, learning how each clone expresses itself in our particular conditions. The combinations we've chosen reflect decades of observation and refinement.

The cool, foggy conditions of the Russian River Valley's western reaches create particular demands on clonal selection. We need material that ripens reliably in our extended growing season, that maintains acidity through the slow maturation process, and that produces the aromatic complexity our region is known for. Not every clone that excels in warmer sites performs here; the clones we've planted are specifically suited to our conditions.

During a private tasting at the estate, we can walk you through how different clones contribute to our finished wines. You'll taste how the components come together—understanding not just the final blend but the building blocks that create it. It's wine education that happens in the glass rather than in a textbook, with the vineyard visible through the windows as you taste.

We can show you where different clones are planted across the property, explain why certain clones went in certain blocks, and discuss how we think about clonal contribution when blending each vintage. This isn't information we share with everyone—but for guests genuinely interested in understanding Pinot Noir more deeply, it's part of what makes a visit meaningful.

Our approach to clonal selection reflects our broader philosophy: work with the best available material, farm it carefully, and let the vineyard's character express itself. The clones we've planted aren't chosen for fashion or trend—they're the ones that, over decades of experience, have proven they belong here. Each contributes something essential to the wines we make.

Pinot Noir's genetic diversity is part of what makes it the world's most captivating grape. The same variety that produces delicate Burgundy also yields powerful California expressions, and the clones present in each vineyard contribute to those differences. Learning about clones doesn't just satisfy curiosity—it deepens your appreciation for every glass of Pinot Noir you drink.

The conversation about clones connects you to a thousand years of viticultural history—monks in Burgundy selecting promising vines, researchers at Dijon cataloging variations, California pioneers planting whatever they could obtain, and today's winemakers making thoughtful decisions about what to plant where. Every vineyard is a library of genetic choices, and every wine reflects those choices.

Next time you're tasting Pinot Noir, ask about clones. You'll be surprised how much winemakers enjoy discussing them—and how much the conversation adds to your understanding of the wines you're tasting. It's another layer of the story, another way to connect with the wine in your glass and the people who made it. The question "what clones do you grow?" opens doors that simpler questions don't.

Ready to taste how clones express themselves in Sebastopol Hills Pinot Noir? Book a tasting at Kanzler and explore our estate wines while learning about the clones that create them.

For an immersive experience, stay at our estate residence—walk the vineyard rows, see the different blocks, and taste the wines in the place they're grown.