Matcha cultivars explained: okumidori, saemidori, gokou and more

A cultivar is a cultivated variety of a plant, selectively bred over generations for specific traits. In matcha, that means breeding for flavour, colour, yield, cold-hardiness, disease resistance, or some combination of all five. The Camellia sinensis plant has hundreds of registered cultivars in Japan alone. Only a handful are used for matcha production, and of those, fewer still are named on the tin. Knowing the cultivar behind your matcha is one of the clearest windows into why it tastes the way it does.

Six cultivars account for most of the premium matcha produced and consumed today: Okumidori, Saemidori, Gokou, Yabukita, Yutakamidori, and Asanoka. Each has a distinct flavour character. Each suits different preparations. Understanding them helps you read a matcha tin the way you might read a wine label.

In steeped tea, the cultivar is one factor among many. In matcha, it becomes more prominent because you consume the entire leaf. The flavour compounds in the leaf are the flavour compounds in the cup.

Most mass-produced matcha does not name its cultivar. The powder is typically a blend from multiple sources, chosen for consistency and price rather than flavour character. This is not inherently a problem, but it does mean the producer either does not know exactly what went into the tin or does not consider it worth disclosing.

Single-cultivar matcha, by contrast, reflects a specific plant's character fully expressed through shading, harvest, and stone-grinding. It is not automatically better, but it is more legible. You can begin to understand what you are tasting and why. A named cultivar on a tin is a signal that the producer knows what they are working with and considers it worth communicating.

Blended cultivars are not lesser. Done deliberately, blending allows a producer to combine the complementary strengths of multiple plants: one for body, one for balance, one for aroma. The key distinction is intentional blending with named components versus anonymous blending for cost efficiency.

These six cultivars account for the large majority of premium matcha produced today. They vary significantly in flavour, colour intensity, and the preparations they suit best.

Okumidori was registered in Shizuoka in 1974 and is now grown across several Japanese tea-producing regions. It is prized for its balance of character: smooth and nutty with a gentle sweetness and low astringency, while still producing a vivid, clean green colour. Quietly celebrated among producers as a premium single-cultivar choice precisely because it does not shout any single quality but does everything well.

Saemidori was registered in 1990, a cross of Yabukita and Asatsuyu developed in Kagoshima. Its name translates roughly as "bright green," which accurately describes both the powder and the flavour: vivid, sweet, and notably low in bitterness. Saemidori is widely used for ceremonial grade matcha and is frequently cited as one of the most approachable cultivars for people new to matcha.

Gokou is a Uji cultivar, selected in 1953 from seeds of a wild local tea plant in Kyoto Prefecture. It is rare compared to the others here, grown almost exclusively in Uji, and produces a matcha with the deepest umami character of the commonly known cultivars. The flavour is rich and creamy with a quality that sits somewhere between savoury and sweet, often described as having a marine or dashi-like depth. Gokou is traditionally used for koicha (thick tea) in tea ceremony, where the concentration of flavour is the point.

Yabukita is the workhorse of Japanese tea production. It accounts for roughly 75% of all Japanese tea cultivation, having been selected in the 1950s for its reliable yield, cold hardiness, and balanced flavour. In matcha, it delivers harmonious umami and sweetness with a light astringency and a clean, grassy finish. Its universality makes it the most common benchmark: if you have tasted matcha without knowing the cultivar, there is a strong chance Yabukita was involved.

Yutakamidori originates in Kagoshima, southern Japan. It produces a deep green powder with a full-bodied, strong umami character. The flavour has more presence and intensity than Okumidori or Yabukita, which makes it specifically useful where that strength is needed: in lattes where the matcha character has to hold up against milk, or in iced preparations where cold temperature and dilution soften the flavour.

Asanoka was registered in Kagoshima in 1996, a cross of Yabukita and a Chinese cultivar called Hiramizu. Its name means "morning fragrance," a reference to the aromatic quality that distinguishes it from other cultivars. Asanoka brings floral and citrus notes to matcha, with occasional impressions of mango or ripe grape in the aftertaste. The umami is smooth rather than forceful, and the sweetness is gentle. In a blend, it functions as the aromatic dimension.

Sipspa's ceremonial grade is 100% Okumidori, stone-ground from shade-grown tencha from Kyushu, Japan. One cultivar, one origin, one harvest.

The choice of Okumidori for a single-cultivar ceremonial grade reflects what the preparation asks of the leaf. Drunk straight with water, with nothing to soften or redirect the flavour, the matcha needs to carry the bowl on its own. Okumidori is suited to this: the low astringency means the palate is not immediately dominated by tannin, the gentle sweetness persists in the finish, and the smooth, nutty character reads as refined rather than flat.

Single-cultivar matcha also offers something blends cannot: a specific, repeatable flavour character that comes entirely from one plant. If you develop a preference for Okumidori, you can seek it out. If you notice variation between harvests, it reflects what that year's growing conditions did to that specific cultivar, not a change in how the blend was assembled. For people who want to understand matcha more deeply, that legibility has value.

Okumidori is also one of the most visually striking cultivars. The vivid jade green of the powder and the finished bowl are a result of both the shading process and the cultivar's own pigment characteristics. Colour in matcha is a quality indicator: bright, vivid green means the chlorophyll is intact, the matcha is fresh, and the shading was properly executed.

Sipspa's everyday grade blends Yutakamidori, Yabukita, and Asanoka. Each cultivar contributes a specific quality to the finished matcha.

Yutakamidori provides body. Its strong, full-bodied umami gives the blend the structural weight that holds up under cold milk, ice, or other flavours in a recipe. Without this, a matcha latte can taste watery or disappear behind the milk. Yutakamidori prevents that.

Yabukita provides balance. As the most widely cultivated Japanese tea cultivar for a reason, Yabukita is the equilibrium component: harmonious umami and sweetness with a light astringency and a clean finish. It anchors the blend and prevents either of the other two cultivars from dominating in a way that becomes one-dimensional.

Asanoka provides aroma. The floral and citrus character of Asanoka is what lifts the blend and gives it complexity. In a matcha latte, you will not identify citrus or mango specifically, but you will notice that the matcha has more dimension than a one-note everyday powder. In a straight preparation, the aromatic quality is more distinct.

The logic of the blend is body plus balance plus aroma. This is not a flavour profile designed to mimic ceremonial grade. It is a different tool for different uses, one that is intentionally more robust, more versatile, and better suited to the range of preparations most people drink matcha in day to day.

The preparation determines what you want from the cultivar. A bowl drunk straight makes different demands than a latte or a recipe.

For a straight bowl. Low astringency and natural sweetness matter most. Okumidori, Saemidori, and Gokou all suit this preparation. Okumidori is smooth and mellow. Saemidori is sweeter and brighter. Gokou is for those who want maximum umami depth and complexity. All three are typically used in ceremonial-grade matcha.

For lattes and iced drinks. Body and intensity are what you need. The matcha has to punch through milk, ice, and temperature. Yutakamidori and Yabukita both perform well here. A blend that includes Yutakamidori holds up better than a delicate single-cultivar ceremonial grade, which can disappear behind the milk.

For recipes and baking. Intensity and a clear grassy-umami character matter more than sweetness or delicacy. Everyday blends work well here. Ceremonial-grade single-cultivar matcha in a baked good is possible but the subtleties are largely lost in cooking.

For a more detailed look at how grade affects taste, flavour, and choice of preparation, see our guide on ceremonial vs everyday matcha.

The cultivar question is one most matcha brands prefer to leave unanswered. Once you know what to ask, a tin that names its cultivar tells you a great deal about the producer's knowledge of and confidence in their supply chain. One that does not leaves you guessing. For more on what else is worth checking before you buy, see our matcha buying guide.

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Sources

• National Agriculture and Food Research Organization (NARO), Japan. Tea Cultivar Registration Records. NARO Genebank.
• Kyoto Prefectural Tea Research Institute. (2023). Cultivar profiles: Gokou and Uji-origin varieties. Kyoto Prefectural Government.
• Japan Tea Export Promotion Council. (2022). Japanese Tea Production and Cultivar Overview. JTEPC.
• Kochman, J., et al. (2021). Health Benefits and Chemical Composition of Matcha Green Tea: A Review. Molecules, 26(1), 85.