How the Japanese Care for and Harvest Tea Leaves – Creating Premium Dried Tea and Matcha

Well, the world's second most consumed drink, right after water. From fresh tea, iced tea, bags, bottles, or matcha lattes. The tea plant has quietly journeyed with us from ancient times to the modern era, woven into human life. Among countless global tea cultures, Japan isn't the only nation with great tea and a long history. But what makes Japanese tea distinct is how they study tea like a science. Treat tea like a work of art, and track its journey from the fields, Grading rooms to tea ceremonies, sweets, modern drinks, and worldwide exports. It's the same tea plant, but in Japan, it grows under shade nets to control flavor. Is steamed in factories precisely to lock in the green color, stored in deep freezers all year. And finally becomes refreshing sencha or jade green matcha bowls in silent tea rooms. Tea in Japan is more than a drink, it's a harmony of agriculture, science, culture, and modern industry in every leaf. Tea is a perennial, planted once but yielding harvests for 20 to 30 years. Modern farming uses machines for straight rows, young saplings are covered to retain heat, moisture, and protect roots. During growth, the tea plants are cared for like any other crop, watered, weeded, and fertilized. On some farms, they release ducks into the tea fields as a natural biological squad. They eat pests and weeds, providing organic fertilizer on the spot, reducing the need for pesticides. After 2 to 3 years, the first harvest begins, and right after each season. Farmers start a new cycle to help the plants recover and continue producing quality buds. First is pruning the canopy, removing dead leaves so the plant can nourish new shoots. Today, this process isn't just manual but supported by specialized cutting machines. Helping to level the hedges quickly and uniformly over large areas. Next is weeding and cleaning the base. Besides manual weeding, many farms use mechanical weeders along the tea rows. To save labor and avoid damaging the root systems. Once the surface is clear, they apply fertilizer to restore nutrients. Then irrigate to help the roots absorb them quickly. Many farms use misting systems for water or foliar feed, helping leaves recover, thicken, and grow evenly. After tending, fresh tea buds sprout across the hills, lush green shoots full of life emerge everywhere. Farmers must watch these buds daily, as even a few days delay can change the entire crop's quality. For Matcha and Gyukuro, shading is not just a secondary step, but a defining stage for flavor. 2 to 4 weeks before harvest, the entire field is covered in black netting to block direct sunlight. With reduced light, the plants change how they photosynthesize, producing less catechin, which causes bitterness. While boosting the accumulation of L-theanine, the compound that creates a natural, savory umami taste. This biological change makes shaded leaves darker, softer, less bitter, with a lasting, rich, sweet finish. Meanwhile, Sencha, Japan's most popular tea, is grown in full sun. Leaves are steamed, rolled, and dried, creating a light, refreshing brew perfect for daily drinking. The difference starts in the fields, shading or not determines the class between common Sencha and premium Gyukuro. Shading time creates different flavors, 10 to 14 days for sweetness, 20 to 30 days for umami, and over 30 days for top-tier Matcha. In practice, many farms combine both methods, leaving part of the garden unshaded for Sencha and covering the rest for premium Matcha. There is also the traditional shading method using reed screens and straw, used mainly for ceremonial-grade Matcha, the most expensive kind. Hand-shading lets light filter slowly and softly, making leaves grow tender and nutrient-rich, resulting in deep, mellow Matcha. Because it is labor-intensive and cannot be mechanized, this Matcha is premium, linked to tea ceremonies and formal rites. After the first harvest, tea bushes only need 30 to 45 days of care to sprout the next flesh. In favorable weather, tea can be harvested 3 to 4 times a year, or even more in warmer regions. However, the year's first harvest, called Shincha, is still considered the most important and highest quality. Depending on the product segment, tea is harvested either by hand or by machine. For high-end tea, especially ceremonial Matcha, Tencha, Gyukuro, and premium Sencha, they harvest by hand. Picking only the buds and top two leaves keeps the tea tender, sweet, less bitter, and aromatically delicate. Hand-picking is labor-intensive and has low yield, but guarantees superior quality for tea ceremonies and luxury markets. Conversely, mass-market Sencha, for daily Japanese consumption and large exports, is usually harvested by machine. Some machines require two people on either side, fitting steep slopes, while others are ride-on for large-scale farms. Machines harvest quickly and evenly at the golden hour, ensuring high yields in a very short time. Legend says tea began 4,000 years ago in China, when Shen Nong, father of herbal medicine, dropped leaves into boiling water. He tasted the infusion, finding it refreshing and clear, thus tea was discovered and spread among the people. Initially used as medicine, tea gradually evolved into a staple beverage for everyday life. From China, tea traveled ancient trade routes to Korea, Japan, and eventually reached the Middle East and Europe. By the 18th century, tea became a global commodity, tied to merchant ships, trade revolutions, and colonial history. In Britain, afternoon tea grew, in India and Sri Lanka, tea became vital, while in Japan, it became a way of life. But Japanese tea fields weren't always lush, the industry faced a deep crisis from the 1990s through 2010. As youth moved to cities and bottled tea took over, demand for loose-leaf tea plummeted. Farmers aged, costs rose, and income fell, leaving many fields abandoned and traditions at risk of fading. Wazuka in Kyoto, a center for tea for over 800 years within the famous Uji region, faced this struggle. The population fell from 7,600 in 1955 to about 3,500 after 2010. By 2019, most farmers were elderly. As prices dropped, they sold more tea yet earned significantly less profit. Amidst this, around 2015, a group of young people decided to return to Wazuka to start fresh. They reclaimed abandoned fields, grew organic, tracked origins, and launched matcha shops and online sales. Bit by bit, the young returned, fields revived, and tourists came back to visit. Once a forgotten village, Wazuka became a symbol of rebirth through modern innovation. After harvesting, tea is carefully gathered, loaded onto trucks, and rushed to the factory for processing. This ensures the leaves retain their freshness, vibrant color, and natural flavor. For ceremonial matcha, hand-picked leaves are steamed immediately to lock in color and stop oxidation. The leaves are then cooled by air and dried in traditional ovens to preserve their scent. Once dry, workers remove stems and veins, keeping only the pure leaf pulp, known as tencha. Tencha is then slowly ground by granite stones, yielding only a few grams of fine matcha per hour. This meticulous, slow process and low yield define the quality, aroma, and high value of ceremonial matcha. Ceremonial matcha is harvested just once a year, picking only the first spring buds, the plant's finest part. Despite year-round care, the very small harvest makes ceremonial matcha constantly in short supply. Internationally, ceremonial matcha can cost 10 to 20 times more than standard grades, ranging from $40 to $120 per 100 grams. Exports reach the U.S. and Europe, but remain limited, as most is reserved for tea ceremonies and Japan's own premium market. In processing plants, tea leaves harvested from the field are sorted into two primary product lines, loose-leaf tea and matcha. Each line follows its own unique process, with specific technical requirements and quality control measures. First, loose-leaf tea, which is the most popular variety and accounts for the largest production volume. After steaming to stop oxidation, leaves go through a series of rolling, drying, loosening, and refining stages. Here, tea passes through vibrating sieves, blowers, and brushes to remove dust, debris, and tough stems, while sorting the leaves by size to ensure consistent quality. From raw tea containing many impurities, each batch gradually becomes clean, vibrant, uniform, and stable in flavor. Refined tea is grated and blended, then packaged as sencha, bancha, or processed further into hojicha. For premium gyukuro, tea is treated separately, with strict control over heat, humidity, and storage to lock in deep sweetness. These are the green teas Japanese drink daily, from everyday cups to high-end sets, across homes, shops, and global exports. In 2023 alone, Japan exported nearly 4.9 million kilograms of loose-leaf tea to international markets. This shows that despite changing domestic habits, traditional tea remains globally popular, a pillar of Japan's tea industry. Beyond daily loose-leaf tea, some leaves are moved to matcha production, a premium line with far stricter processes. Unlike standard tea, matcha leaves are shaded for weeks before harvest to boost sweetness and reduce bitterness. Harvested leaves are steamed to stop oxidation, then dried intact to create tencha, the essential base for matcha. Tencha undergoes preliminary cleaning, then stems and veins are removed, keeping only the softest leaf pulp. This is the essence that defines the texture, sweetness, and vibrant color of the matcha. These select leaves are slowly fed into grinders, where tencha is processed under strictly controlled temperatures. For premium grades, stone mills are used, yielding only grams per hour to prevent heat from damaging the aroma. Once ground, matcha is refined, color-checked, and graded from ceremonial tea to culinary grades for baking and drinks. Finally, matcha is sealed in airtight, light-proof packaging and stored before domestic or international distribution. The main difference between Japanese tea and tea from other countries lies in how leaves are handled right after harvest. In Japan, nearly all green tea is steamed to halt oxidation in just a few seconds to over a minute. This keeps the leaves vibrant green, grassy, fresh, and mildly sweet with a hint of astringency. This steaming method defines iconic Japanese teas like sencha, gyokuro, tencha, and matcha. Meanwhile, in other nations like China, India, Sri Lanka, or Vietnam, plucked leaves are typically pan-fired or sun-dried, allowing partial or full oxidation. This creates teas with toasted, fruity, honey-like notes, bold bodies, and deep sweet finishes. While Japanese tea favors freshness and green hues, others prioritize flavor depth and reddish tones. Another key difference lies in the level of mechanization and quality control. From farm to factory and lab, every batch is graded precisely for color, aroma, and taste. Pricing reflects actual quality, unlike mass-produced blends focused on volume and cost. Today, countries like China, Vietnam, Korea, and Taiwan also produce matcha for culinary uses. Yet, Japanese matcha remains the gold standard, maintaining shading, stone grinding, and ritual roots. These strict standards create the jade color, natural creaminess, and refined finish others lack. Elsewhere, green tea powder is called matcha, but in technique and flavor. It usually remains simple milled powder, falling short of the authentic Japanese standard. If teas from China, Vietnam, or India represent oxidized depth and roasted notes, Japanese tea chooses to preserve the leaf's green color and fresh spirit from the harvest. Over the last decade, matcha became Japan's fastest-growing tea sector, jumping from 2010 to 2024. By 2024, total tea exports reached 36.4 billion yen, with matcha accounting for a massive share. From humble buds come diverse products like sencha, hojicha, tea bags, lattes, sweets, and cosmetics. Matcha has truly become a staple ingredient for modern drinks and desserts. Beyond variety, tea is prized for health benefits, rich in antioxidants, providing gentle alertness, heart support, and anti-aging properties. Consuming the whole leaf powder aligns perfectly with today's healthy living trends. This concludes our journey into the world of Japanese tea. If you enjoyed this, please like, subscribe, and hit the bell for more. 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