Kaga-Bocha: Kanazawa's Roasted Stem Tea

Meet the toasty, gentle roasted tea that Kanazawa shops love to serve, and learn how stem tea fits into Ishikawa's refined tea culture.

Published October 22, 2026 at 2:04 AM JST | By Tokyo Paul

Quick answer: Kaga-bocha is the roasted stem tea associated with Kanazawa and the old Kaga region of Ishikawa Prefecture. Bocha means stick tea, a tea made mainly from the stems of the tea plant, and roasting gives it a toasty aroma, a mellow, slightly sweet taste and very little bitterness. It is easy to brew with hot water and makes a popular, affordable souvenir.

Travelers who spend time in Kanazawa soon notice that tea is part of the city's character, from gold leaf tea in the old teahouse district to elegant sweets served with a cup. Among the local teas, kaga-bocha is the one that often surprises newcomers, because it tastes warm and nutty rather than grassy. This guide explains what the name means, how stem tea differs from other Japanese teas, what to expect from the flavor, how to brew it and how it connects to Kanazawa's wider culture of sweets and craftsmanship.

The short answer: what kaga-bocha is

Kaga-bocha is a roasted tea made from the stems of the tea plant, sold under the regional name Kaga, which is the old name for the southern part of today's Ishikawa Prefecture. The word bocha is Japanese for stick tea, and it is a close relative of the tea called kukicha, or twig tea. Instead of the leafy green you see in sencha, the cup is a warm amber to brown, and the aroma is toasty and soothing.

In Kanazawa, kaga-bocha is served in many tea rooms and shops and is often sold as a gift. Because it is roasted, it belongs to the same flavor family as hojicha, the better-known roasted green tea, though the stem character gives it its own light, clean feel.

What stem tea is and why it tastes different

Stem tea is a Japanese blend made mainly from the stems, stalks and twigs of the tea plant. According to reference sources, most kukicha comes from the production of sencha or matcha, when the leaves are separated from the stems, and stems from the highest grade of shaded tea are given their own names. Using the stems is a practical tradition that makes use of the whole plant.

Compared with leafy teas, stems contain less of the compounds that cause strong bitterness, so the cup is gentle. Unroasted kukicha is described as mildly nutty and slightly creamy and sweet, with a light body and a fresh green aroma. Roasting then adds a deeper, toasty layer. That is why a roasted stem tea such as kaga-bocha can seem both fragrant and calm at the same time.

How roasting shapes the flavor

Roasting is the key step that defines this tea. Reference sources describe hojicha as green tea that is roasted rather than steamed, giving the dry leaves a brown color and the cup a reddish-brown tint. Roasted tea is described as nutty, toasty and slightly sweet, with little to no bitterness and lower astringency than other Japanese greens, because roasting reduces the compounds called catechins.

Hojicha can be made from bancha, sencha or kukicha, so roasted stem tea sits naturally in that family. The exact roast level, the source of the stems and the blending are decisions made by each tea maker, which is why different shops can offer noticeably different kaga-bocha. Some have a light roast with a fresh, green edge, while others are darker and more caramel-like. Tasting a few is part of the fun.

Why Kanazawa and the Kaga region

The name Kaga points to history. Ishikawa Prefecture was formed in 1872 when Kaga Province was merged with the smaller Noto Province, and Kanazawa grew up as the castle town of the Maeda family, who ruled the Kaga domain through the Edo period. The Maeda lords encouraged crafts, culture and refined pursuits, and the city became known for gold leaf, lacquerware, Kutani porcelain and wagashi, the traditional Japanese confections.

Tea culture arrived with the same spirit. One reference notes that the tea ceremony was introduced to Kanazawa in 1666, when Maeda Toshitsune invited the tea master Senbiki Soshitsu of the Urasenke school to the city. In that setting, a comforting everyday tea such as kaga-bocha makes sense: it complements a region where sweets and ceremony are taken seriously, yet it is relaxed enough for daily life.

How to brew roasted stem tea

Brewing is simple, and the tea is forgiving. Use a small teapot with a built-in strainer if you have one, add a generous spoonful of tea leaves per cup, and pour hot water over them. Roasted teas are generally less sensitive to temperature than delicate shaded teas, so many people use freshly boiled water. Always follow the instructions on the package, because blends differ.

A first infusion of about a minute is a common starting point, and you can steep the same leaves again for a second cup. Unroasted green kukicha is usually brewed with cooler water, around 70 to 80 degrees Celsius, for under a minute, so remember that roasted and unroasted versions are brewed differently. Kaga-bocha can also be served cold, either by steeping in cool water in the refrigerator for several hours or by cooling a hot brew over ice, which suits Ishikawa's warm summers.

Pairing it with sweets and food

Roasted tea pairs beautifully with Japanese sweets. The toasty note works well with sweet bean paste, rice cake treats and baked sweets, because it refreshes the palate without competing with the sugar. Kanazawa is known for wagashi designed to please all five senses, so a cup of kaga-bocha beside a seasonal sweet is a classic way to relax during sightseeing.

It also works with savory snacks and light meals. Rice crackers, simple sandwiches and grilled foods sit comfortably beside the toasty flavor, and some people enjoy it after dinner because it feels soothing. If you are interested in the general idea of matching tea and sweets, the same principles apply here: choose a tea that supports the flavor of the food rather than overpowering it.

Caffeine, families and daily drinking

One reason roasted tea is popular at home is its gentle character. Reference sources note that roasting lowers the caffeine content of hojicha, and that it is often served in the evening, before bed, and to children and older adults. Because kaga-bocha is a roasted stem tea, many drinkers enjoy it in much the same way, though caffeine levels depend on the leaf and the process, so check the package or ask the shop if this matters to you.

Anyone with a health condition, or anyone who is pregnant, should follow advice from their own doctor about caffeine rather than relying on general descriptions. For most visitors, the main point is simply that this is a mellow, easy-drinking tea with a comfortable flavor that works at breakfast, in the afternoon or after a meal.

Buying kaga-bocha as a souvenir

Kaga-bocha is easy to find in Kanazawa, in tea shops, department stores, station shopping areas and souvenir counters. It usually comes in light packages of loose leaf or in tea bags, which makes it practical for a suitcase. Prices vary by maker and size, from modest bags suited to gifts for colleagues to premium packages for special occasions.

Look at the label for the roast level, the amount and the best-by date, and ask staff if you would like to taste before buying. Some shops serve a small cup so you can try it. Pairing a pack of tea with a small box of local sweets makes a thoughtful gift that captures the flavors of Kanazawa in a single bag.

Want to go deeper? Tokyo Paul's book Kanazawa Photo Book is available on Amazon.

Frequently Asked Questions

What does kaga-bocha taste like?

Kaga-bocha tastes toasty, mellow and slightly sweet, with very little bitterness. The roasting gives it a nutty aroma, and the stems keep the cup light and clean. Many people compare it to hojicha, the roasted green tea, though flavor varies by maker, so tasting a few options is worthwhile.

What does bocha mean?

Bocha means stick tea in Japanese. It refers to tea made mainly from the stems and twigs of the tea plant, a style also called kukicha. Kaga-bocha is a roasted version associated with Kanazawa and the Kaga region of Ishikawa Prefecture, so the name tells you both the style and the place.

Does kaga-bocha have caffeine?

Tea from the tea plant naturally contains caffeine, but roasting lowers it, and roasted teas such as hojicha are often served in the evening. The exact amount depends on the product, so check the package or ask the shop if you are sensitive to caffeine, and follow your doctor's advice if you have health concerns.

Further Reading

To explore further, see Hojicha, Kukicha and Ishikawa Prefecture.

Keep Exploring

More guides from Tokyo Paul: Hojicha and Genmaicha: Roasted and Toasty Teas, Kanazawa's Higashi Chaya: Teahouses, Gold Leaf and Old Streets and Wagashi and Tea: How Japanese Sweets Are Paired.