ceramicsJun 18, 2026

Hagi-yaki

Hagi-yaki (萩焼) is a pottery tradition centered on Hagi in Yamaguchi Prefecture. It is particularly associated with tea bowls, although makers also produce cups, plates, vases and contemporary ceramic works. Its reputation rests less on a single color than on the relationship among clay, glaze, firing and use: some pieces change subtly as they are used and cared for over time.

Origins and the tea tradition

Hagi City traces the tradition to the early 17th century. After Mōri Terumoto moved to Hagi in 1604, a kiln serving the domain was established in the Matsumoto area east of the castle town. City records describe the Korean potter brothers Li Shakkō (李勺光) and Li Kei (李敬) as founders who had come to Japan in the context of Toyotomi Hideyoshi’s invasions of Korea. This history should be told plainly: the craft grew out of both Korean ceramic knowledge and the upheaval of war, not a peaceful exchange alone.

The early wares drew on Korean tea-bowl forms. Later generations developed local approaches under the patronage of the Mōri domain, and other kilns emerged, including in the Fukawa area of present-day Nagato. The Saka family carried the name Saka Kōraizaemon through successive generations. Hagi City notes that the form has continued to evolve: traditional tea utensils now coexist with everyday vessels and experimental ceramics.

The saying “first Raku, second Hagi, third Karatsu” expresses the esteem in which tea practitioners have held Hagi bowls. It is a traditional ranking within the tea world, not a measure of quality for every object or every use. For a wider look at regional ceramics, compare Bizen-yaki and Mino-yaki.

Clay, shaping and glaze

There is no single two-clay recipe. The traditional craft association identifies Daidō, Mitake and Mishima clays as key materials; makers combine them in different proportions and may add local earth. The clays are washed and prepared before shaping. Wheel throwing and hand forming are both part of the tradition, alongside press molding and slab forming. Such variation helps explain why Hagi ware cannot be identified by color alone.

Common glazes include a translucent ash glaze made from feldspar and wood ash, and a milky straw-ash glaze associated with Shiro-Hagi, or White Hagi. Makers may also use iron glazes. The appearance depends on the clay, glaze application and firing atmosphere. Some surfaces are pale cream or pinkish; others are warmer, darker or deliberately textured. A soft-looking surface is a clue, not proof that every item has the same composition or absorbency.

Firing and what the surface reveals

Traditional climbing kilns have several chambers built along a slope. The craft association describes a staged process of forming, drying, often bisque firing, glazing and final firing. It gives a final temperature of about 1,250–1,300°C for its example of a wood-fired climbing kiln. Contemporary makers also use gas or electric kilns. A blanket claim that all Hagi ware is fired at a low temperature is therefore misleading.

Fine lines in a glaze may be kannyū (貫入), a crackle pattern produced when body and glaze contract differently as a piece cools. This is a surface feature, not the same as a crack through the ceramic body. Some traditional Hagi pieces have a relatively absorbent body. Tea can enter the crackle and gradually alter the appearance, a change called Hagi no nanabake (萩の七化け) or “the seven changes of Hagi.” The change varies with each piece and how it is used; it is not a guaranteed seven-stage transformation.

Choosing and using a piece

Look first at the maker’s description and intended use. For a tea bowl, notice how the rim feels, how the foot sits on the table, and whether the vessel is comfortable to hold. For an everyday cup or plate, check the seller’s instructions on liquids, staining and cleaning. A pale glaze, visible crackle or rough clay is not by itself a food-safety, microwave or dishwasher specification.

The craft association describes a simple care practice for a traditional tea bowl: moisten it with water before use, wash it gently after use, then let it dry fully. Individual works can differ, so follow the maker’s care instructions, especially for decorative finishes or pieces made for display. Avoid storing an absorbent piece while damp. The gradual change that tea drinkers value should come from normal, careful use rather than forced staining.

Hagi ware today

The nationally designated production area includes Hagi, Nagato and Yamaguchi cities and Abu Town, according to the traditional craft association. It records the designation in January 2002. The region supports both makers continuing tea-ceremony forms and artists working in new shapes and surface treatments. A cup from Hagi is therefore best understood through its particular maker, clay, glaze and care guidance rather than a fixed stereotype.

Frequently asked questions

When did Hagi-yaki begin?

Hagi City places its beginning after the Mōri move to Hagi in 1604, when a domain kiln was opened in the Matsumoto area. The story includes the Korean potter brothers Li Shakkō and Li Kei and the earlier invasions of Korea.

What is “the seven changes of Hagi”?

It is a name for the gradual change in some Hagi ware as tea passes through glaze crackle and affects the surface over repeated use. The appearance and pace differ from piece to piece.

Is every Hagi piece porous or suitable for a dishwasher?

No single care rule applies to every maker and firing method. Traditional pieces are often relatively absorbent; ask for the maker’s instructions before using a dishwasher, microwave or an unfamiliar liquid.

What is White Hagi?

Shiro-Hagi is associated with a milky straw-ash glaze. It is one established expression within a much wider range of Hagi ware, not a separate promise about a piece’s durability or food use.