What is Asatsuyu Cultivar?

Posted by Green Tea Merchant Team on

What is Asatsuyu Cultivar?

 

If you want to fill your home with a grassy aroma, the Asatsuyu cultivar is the Japanese green tea you should go with. We have talked about lots of cultivars on our blog, and it wouldn’t be justifiable to Asatsuyu cultivar if we didn’t talk about it. In this blog, we are going to add the Asatsuyu cultivar to the list and let you know everything about this cultivar.

What is Asatsuyu?

Asatsuyu cultivar is quite famous in Japan and is referred to as natural gyokuro because its taste is quite similar to gyokuro’s taste. There is no need to make Asatsuyu go through the shading process to make it taste like gyokuro because this cultivar will taste like the best-known cultivar no matter what.

But what does Asatsuyu mean exactly?

Asatsuyu literally means “morning dew.” It is so named because when it is transformed into sencha and brewed, it acquires a beautiful bright yellow color. However, when you keep on brewing it, it develops a nice, grassy green color. Asatsuyu is quite famous itself, but it has also acquired quite a fame in the form of fukamushicha.

Origin of Asatsuyu Cultivar

Asatsuyu cultivar has been around us for quite some time, and it was cultivated during the modern Japanese agriculture breeding programs. It is mainly found in the Kagoshima prefecture of Japan, but now it’s being cultivated in many other regions as well. This cultivar was registered in 1953 and was named Japanese tea cultivar number 2.

Asatsuyu cultivar came from a tea plant’s seed that is found in Uji. Surprisingly, Uji is quite renowned for playing a huge part in the production of the gyokuro. However, after a deep analysis of the tea plant, Uji, the researchers found a new seed known as Asatsuyu. Since then, it has been one of the best organic Japanese teas.

Characteristics of Asatsuyu Cultivar

Asatsuyu cultivar is harvested in the early spring and blooms earlier than Yabukita but after Saemidori. However, the harvesting part depends solely on the weather conditions because not only does it need full sun, but the sky must also be partly cloudy from time to time.

The leaves of this cultivar are quite elliptical in shape and consist of bright green color. When the leaves are young, they acquire a pale yellow color that is soon transformed into a bright green one. The leaves of this cultivar are also quite tender. Thus, you’ll need to pay extra attention when it comes to brewing and steaming. Asatsuyu cultivar is quite resistant to all kinds of pests or diseases. However, you may need to look out for frost.

What does the Asatsuyu cultivar taste like?

What do you think about a minty, grassy, and refreshing cup of tea after a long, tiring day? You would like this idea very much. So, if you want to have a similar experience, you need the Asatsuyu cultivar in your home. The cup of tea made by this cultivar is certainly mind-boggling. It is not too sweet, not too bland. Just the perfect amount of sweetness that your taste buds need.

Generally, Asatsuyu has a perfectly balanced umami taste with hints of refreshing snap pea or grass. The aroma of this cultivar is quite earthy, which makes your entire home smell like a fresh garden. This tea also has a slightly astringent taste.

Conclusion

Asatsuyu cultivar has been around us for quite some time, and it has been marked as one of the best Japanese teas in terms of flavor and quality. Thus, if you want something sharp yet sweet in taste, Asatsuyu is the one.

Asatsuyu — Frequently Asked Questions

What is the Asatsuyu cultivar?

Asatsuyu (あさつゆ) is a premium Japanese tea cultivar whose name translates to "morning dew." It is often called "natural Gyokuro" because the cup tastes remarkably like shaded Gyokuro tea — even without the shading process Gyokuro requires. Asatsuyu was registered in 1953 as Japanese tea cultivar number 2, making it one of the earliest registered modern cultivars. It is primarily grown in Kagoshima Prefecture and traces back to a tea plant seed originally identified in Uji — the same region renowned for traditional Gyokuro production.

What is Gyokuro? (玉露)
What is Gyokuro? (玉露)
What is Saemidori (さえみどり)?
What is Saemidori (さえみどり)?

Why is Asatsuyu called "natural Gyokuro"?

Gyokuro's distinctive sweet, low-astringency profile is normally achieved by shading the tea plants for about 20 days before harvest — a labor-intensive process that limits L-theanine conversion into catechins. Asatsuyu produces a similar flavor profile naturally, without any shading. The cultivar inherently retains more amino acids and produces less astringency than typical green tea plants. This makes Asatsuyu unusually valuable: it delivers the elegant flavor of shaded tea at lower production cost.

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What is Gyokuro? (玉露)
What is Gyokuro? (玉露)

What does Asatsuyu taste like?

Asatsuyu has a balanced umami body with notes of fresh grass and snap pea — clean and slightly sweet without being sugary. The aroma is earthy, vegetal, and faintly minty. The cup carries a soft astringent edge that keeps it from feeling heavy. When brewed as Sencha, Asatsuyu produces a bright yellow liquor that turns toward grassy green as subsequent infusions develop. It can also be processed as Fukamushi (deep-steamed), which deepens the sweetness considerably.

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What is Fukamushi Cha?

Where is Asatsuyu grown and how is it cultivated?

Asatsuyu is grown primarily in Kagoshima Prefecture, with smaller plantings in other warm regions. It needs full sun with some partly-cloudy intervals to thrive — a more particular set of conditions than the dominant Yabukita. The leaves are elliptical and tender, requiring careful handling at harvest and during steaming to avoid breakage. Asatsuyu is generally resistant to pests and diseases but is sensitive to late-spring frost, which is the main risk for growers each season.

What cultivars come from Asatsuyu?

Asatsuyu's premium flavor profile has made it valuable as a parent in modern Japanese cultivar breeding. Saemidori was bred from a 1969 cross between Asatsuyu and Yabukita — designed to capture Asatsuyu's sweetness with Yabukita's hardiness and higher yield. Tsuyuhikari ("dew light") was bred at the Tea Research Institute of Shizuoka in 1970 from a cross between Shizu-7132 and Asatsuyu, then registered in 2003. Both descendants carry forward the low-astringency, naturally sweet character that defines Asatsuyu.

What is Saemidori (さえみどり)?
What is Saemidori (さえみどり)?

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About the author

Kei Nishida

Kei Nishida

Author, CEO Dream of Japan

info@japanesegreenteain.com

Certification: PMP, BS in Computer Science

Education: Western Washington University

Kei Nishida is a Japanese green tea connoisseur, writer, and the current steward of ShizuokaTea.com and Green Tea Merchant.

ShizuokaTea.com was originally founded by Kent Roy Rhoads, a pioneer of online Japanese green tea sales who helped introduce authentic teas from Shizuoka and Kagoshima to customers around the world. Kei and the Dream of Japan team continue to honor Kent’s legacy by preserving the same commitment to high-quality Japanese tea, reliable service, and long-standing relationships with tea producers in Japan.

In 2020, Dream of Japan acquired ShizuokaTea.com, KagoshimaTea.com, and Green Tea Merchant, with the goal of continuing Kent’s work while bringing renewed care, storytelling, and tea education to a new generation of tea lovers.

Today, the ShizuokaTea.com blog, also known as the Green Tea Merchant Blog, is especially focused on helping wholesale buyers, cafés, restaurants, retailers, and tea-related businesses make informed decisions when sourcing Japanese tea. Building on Green Tea Merchant’s decades-long history of serving wholesale customers, the goal is to make this blog one of the best online resources for companies buying tea—offering practical guidance, product knowledge, sourcing insights, and educational content rooted in real experience.

Kei’s mission is to share the depth, beauty, and tradition of Japanese tea with the world while supporting businesses that want to serve authentic Japanese tea with confidence.

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