Why place matters so much in Japanese pottery
In many countries a pot is described by its maker or its period. In Japan it is just as often described by where it was made. Names such as Bizen, Shigaraki, Hagi, Karatsu and Arita refer to towns or districts, and each name brings to mind a recognizable clay, a typical glaze and a way of firing. The reason is practical. Potters traditionally worked with what the surrounding land offered: clay from nearby hills or river beds, ash and stone for glazes, and wood from local forests to heat the kiln.
Because Japan is mountainous and geologically varied, those local materials differ a great deal. Some clays are coarse and iron-rich, others fine and pale. Some districts have the stone needed for porcelain; most do not. The result is a patchwork of regional traditions that developed side by side over many centuries, sometimes borrowing from each other and sometimes staying distinct.
Three broad kinds of ware
It helps to separate Japanese ceramics into three families, even though the lines blur in practice.
- Earthenware is fired at relatively low temperatures and stays porous. Early prehistoric vessels and later wares such as some raku-style tea bowls belong here.
- Stoneware is fired hotter, becomes hard and dense, and can hold liquid even without glaze. Most of the famous kiln-town traditions are stoneware.
- Porcelain uses a white, kaolin-rich material and very high firing. In Japan it arrived comparatively late and grew in northern Kyushu.
The old kilns and their clays
A group often called the Six Ancient Kilns (Seto, Tokoname, Echizen, Shigaraki, Tamba and Bizen) is a useful entry point. The grouping is a modern way of naming long-lived stoneware centers whose roots reach back to the medieval period. Their wares were largely practical: storage jars, mortars, large bottles and water containers for farming households and merchants.
Several of them favored the natural look of fire over applied glaze. Bizen is the clearest case, with its unglazed, wood-fired surfaces. Shigaraki is known for a coarse, pebbly clay that often fires with warm orange tones and flecks of feldspar. Tokoname, on the Chita Peninsula, developed a large output of jars and later teapots with a reddish body. Seto was different: it became known early for deliberate glazes, so much so that in everyday Japanese the word setomono came to mean ceramics in general.
Tea taste and the rise of named styles
From the late sixteenth century, during the Momoyama period, the tea gathering created demand for bowls, water jars and flower vessels with character rather than polish. Potters in Mino produced Shino and Oribe wares, in Kyoto the hand-shaped raku bowls appeared, and in western Honshu the soft, pale wares of Hagi gained a following; Raku and Hagi are often discussed together as the great tea-bowl traditions. A bowl might be valued for an imperfection, an uneven rim or a glaze run, and this taste fits closely with wabi-sabi, the appreciation of modest, aged and imperfect things.
Porcelain and the trade ports
Japanese porcelain began in Arita in Kyushu in the early seventeenth century, with the help of Korean potters who had settled in the region. Goods were shipped from the nearby port of Imari, which gave the export wares their name. Related kilns, among them those producing Kakiemon style and Nabeshima ware, refined the painted decoration that later impressed European buyers.
How kiln towns developed
A kiln town needs a steady supply of clay, a great deal of firewood and a way to move finished goods. Many grew where all three met, often near rivers, coasts or roads. During the Edo period, regional lords (daimyo) in many domains encouraged pottery as a local industry, sometimes protecting kiln techniques as valuable secrets and sometimes commissioning fine pieces as gifts. Meanwhile, the growing demand of Edo townspeople for affordable dishes helped everyday kilns expand. Potter families often stayed in the same place for generations, so a town’s style could change slowly while keeping a recognizable core.
Firewood shaped these places as much as clay did. A large kiln consumed a lot of wood, and in some districts this affected the surrounding hills, so many communities came to manage their supply carefully. Today, many kilns use gas or electricity, but the older town layouts, with workshops, shops and chimneys close together, still show how the trade grew.
Kilns shape the look
Whatever the clay, the fire finishes the work. Early tunnel-shaped anagama kilns and later chambered climbing kilns burned wood for days, and the flame, ash and placement of each piece left marks that no glaze recipe exactly repeats. Modern gas and electric kilns give more control, and many contemporary potters choose between them depending on the effect they want.
Folk pottery and the modern view
In the twentieth century, writers and potters began to look again at plain regional wares made for farms and kitchens, and they gave this interest a name and a philosophy. Villages such as Mashiko and Onta became known for pottery that still serves daily use. At the same time, studio potters across the country continue to work in older styles or break from them.
Reading a piece of Japanese pottery
A few questions help when looking at any piece. What is the clay body like: smooth, gritty, pale or dark? Is the surface glazed, and if so is it glossy, matte or crackled? Are there signs of ash, flame or kiln placement? Finally, what was it meant for: tea, sake, rice or a household shelf? These questions lead back to the region, and from there to the history of that kiln town. Regional labels are generalizations, though; individual makers vary widely, and many traditions today mix techniques from several places.