The Matcha Harvest Calendar: An Overview
In Japan, the highest quality matcha is harvested during the first flush in spring, known as Ichibancha. The tea plants spend the winter in a dormant state, accumulating nutrients that are then concentrated into the young, tender leaves that emerge in spring. Subsequent harvests, or flushes, occur later in the year, most notably the second harvest in early summer (Nibancha). While all harvests produce flavorful and beneficial tea, the difference in timing, leaf maturity, and processing results in significant variations.
Why Shading Matters
A key part of matcha production is shading the tea plants for several weeks before harvesting. This process forces the plant to produce extra chlorophyll, resulting in the vibrant green color and boosting the levels of L-theanine, an amino acid that provides a sweet, umami flavor and promotes relaxed focus. The spring harvest is typically shaded for longer than the summer harvest, which accounts for some of its unique characteristics.
Characteristics of Spring Harvest Matcha
The first flush of tea leaves in spring yields the highest quality matcha, often designated as "ceremonial grade".
- Flavor Profile: Expect a delicate, sweet, and complex umami taste with very little bitterness. The flavor is fresh, smooth, and clean, meant to be savored on its own with just hot water.
- Color: The powder is a brilliant, vibrant emerald green, a result of the high chlorophyll content from extensive shading.
- Texture: The youngest, most tender leaves are ground into an exceptionally fine, silky-smooth powder.
- Nutritional Content: Spring harvest matcha contains the highest levels of L-theanine and antioxidants, offering superior health benefits.
- Ideal Use: Best for traditional preparation in a bowl with hot water, known as usucha or koicha. It is also suitable for high-end lattes where you want a refined matcha flavor.
Characteristics of Summer Harvest Matcha
Harvested later in the season, summer harvest matcha leaves are more mature and have been exposed to more sunlight.
- Flavor Profile: This matcha has a stronger, bolder, and more astringent flavor with an earthier, sometimes slightly bitter, finish. The robust flavor is designed to stand out when mixed with other ingredients.
- Color: While still green, the color is less vibrant and can be a darker, more subdued shade compared to spring harvest.
- Texture: The powder is slightly coarser than the ceremonial-grade spring harvest, but still produces a smooth result when whisked.
- Nutritional Content: While still containing healthy levels of antioxidants and nutrients, the concentration is lower than in the spring harvest.
- Ideal Use: Excellent for culinary purposes, including matcha lattes, smoothies, baking, and other recipes where its intense flavor can shine through. It's a more versatile and budget-friendly choice for daily use.
Comparing Spring vs. Summer Harvest Matcha
| Characteristic | Spring Harvest (Ichibancha) | Summer Harvest (Nibancha) |
|---|---|---|
| Harvest Time | Late April to mid-May (first flush) | Late June to July (second flush) |
| Flavor | Delicate, sweet, and high umami | Bolder, more astringent, with earthy notes |
| Bitterness | Very low | Higher, more pronounced |
| Color | Vibrant, emerald green | Darker, more subdued green |
| Texture | Exceptionally fine and silky | Slightly coarser, but still fine |
| Nutrients (e.g., L-theanine) | Higher concentration | Good concentration, but lower than spring |
| Cost | More expensive, premium pricing | More affordable, budget-friendly |
| Ideal Use | Traditional tea ceremony, sipping on its own | Lattes, smoothies, baking, cocktails |
Making Your Choice: Which Matcha is Right for You?
Choosing between spring and summer harvest matcha ultimately comes down to your personal preferences and intended use.
Consider spring harvest if:
- You want the highest quality, most authentic matcha experience.
- You prefer a sweet, delicate, and complex umami flavor.
- You plan to enjoy the matcha on its own, without milk or sweeteners.
- You don't mind paying a premium for superior taste and nutritional benefits.
Consider summer harvest if:
- You primarily use matcha for lattes, smoothies, or baking.
- You prefer a stronger, more robust matcha flavor that can stand up to other ingredients.
- You are looking for a more affordable, everyday option.
- You are experimenting with matcha and want a versatile, budget-friendly product.
Regardless of the harvest, it is always wise to purchase from reputable brands that provide transparency on their sourcing and processing.
The Role of Grading: Ceremonial vs. Culinary
The market-driven terms "ceremonial grade" and "culinary grade" are largely influenced by the harvest season. While not officially regulated in Japan, they provide a useful guideline for consumers.
- Ceremonial Grade: This typically corresponds with the superior first-flush spring harvest, using the youngest, shade-grown leaves. It is valued for its vibrant color, sweet umami flavor, and ultra-fine texture, making it suitable for drinking straight with hot water.
- Culinary Grade: This is often made from later harvests, like the summer crop, which yields a stronger, more bitter flavor. This robust profile is preferred for blending into lattes, desserts, and other recipes where the distinct matcha taste needs to cut through other ingredients.
Conclusion: The Best Harvest Depends on Your Palate
There is no single "better" harvest; instead, there is a better matcha for each purpose. The delicate, nutrient-dense spring harvest is the connoisseur's choice for a pure, traditional tea, while the robust, cost-effective summer harvest excels as a versatile ingredient for modern matcha creations. By understanding the distinct characteristics that each harvest offers, you can make an informed decision to elevate your matcha experience, whether it's a quiet moment of reflection or a vibrant green latte to fuel your day. To learn more about authentic Japanese tea production, a great resource is the article "How Matcha is Made, Part 1: Cultivation and Harvest" on Tezumi's website.