When was Oyaizu Seicha founded?

Oyaizu Seicha was founded in 1949, based in Suruga-ku, Shizuoka. That is 77 years ago.

Where is Oyaizu Seicha matcha grown?

The Oyaizu Seicha teas on this page come from Shizuoka, Shizuoka prefecture.

Which Oyaizu Seicha matcha is best for lattes?

Shizuoka Matcha Powder is the Oyaizu Seicha matcha listed for lattes here.

Is Oyaizu Seicha a good matcha for beginners?

At $0.09 per gram, Oyaizu Seicha is inexpensive to try. Price does not tell you how it tastes.

Where does Oyaizu Seicha ship to?

Listed regions: Japan. Check Oyaizu Seicha's official site for your destination.

Where can I buy Oyaizu Seicha matcha in Japan?

This page lists 4 Oyaizu Seicha shops in Japan, including おやいづ製茶本店 in Shizuoka.

Is Oyaizu Seicha matcha organic?

Oyaizu Seicha lists organic certification, and also FSSC 22000, Halal Certified. A certificate may cover only some facilities or products; check the pack.

VerifiedOrganicHeritageApproachable

Oyaizu Seicha

小柳津清一商店

Shizuoka tea manufacturer founded in 1949 that operates as both a tea wholesaler and finished-goods maker, with in-house tea finishing, matcha processing, and the direct retail brand Gashoan.

Brand story

Oyaizu Seicha is a Shizuoka tea company that runs the Gashoan shops and cafés. It buys crude tencha from growers, then finishes, blends and grinds it in its own factory.

Brand Facts

Japanese name: 小柳津清一商店
Founded: 1949
Headquarters: Suruga-ku, Shizuoka
Origin regions: Shizuoka
Certifications: JAS Organic, FSSC 22000, Halal Certified
Official site: oyaizu.co.jp
Ships to: Japan
Price/gram range: $0.09/g
Blends tracked: 1

Origin regionsShizuoka

CertificationsJAS OrganicFSSC 22000Halal Certified

Blend Lineup

1 blend

Shizuoka Matcha Powder
CulinaryShizuokaLatteBaking
Lowest in stock: ¥14/g (≈$0.09/g) at Gashoan Official

Watch Oyaizu Seicha

Email me when any Oyaizu Seicha blend is back in stock or drops in price.

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Where to Buy Oyaizu Seicha in Japan

Official stores and authorized retailers in Japan.

Headquarters Official Store

Shizuoka

Yaizu, Shizuoka

雅正庵焼津西小川店
Official Store
〒425-0036 静岡県焼津市西小川6丁目5-1

Frequently Asked Questions

When was Oyaizu Seicha founded?: Oyaizu Seicha was founded in 1949, based in Suruga-ku, Shizuoka. That is 77 years ago.
Where is Oyaizu Seicha matcha grown?: The Oyaizu Seicha teas on this page come from Shizuoka, Shizuoka prefecture.
Which Oyaizu Seicha matcha is best for lattes?: Shizuoka Matcha Powder is the Oyaizu Seicha matcha listed for lattes here.
Is Oyaizu Seicha a good matcha for beginners?: At $0.09 per gram, Oyaizu Seicha is inexpensive to try. Price does not tell you how it tastes.
Where does Oyaizu Seicha ship to?: Listed regions: Japan. Check Oyaizu Seicha's official site for your destination.
Where can I buy Oyaizu Seicha matcha in Japan?: This page lists 4 Oyaizu Seicha shops in Japan, including おやいづ製茶本店 in Shizuoka.
Is Oyaizu Seicha matcha organic?: Oyaizu Seicha lists organic certification, and also FSSC 22000, Halal Certified. A certificate may cover only some facilities or products; check the pack.

Sources

Sources (3)

小柳津清一商店会社案内

Accessed Mar 27, 2026Confidence: 98%

Supports: Founded on 1949-02-14 in Shizuoka; headquarters at 1-5-38 Mukoushikiji, Suruga-ku, Shizuoka; certifications include FSSC 22000, Halal, and Organic JAS.

おやいづ製茶の抹茶

Accessed Mar 27, 2026Confidence: 96%

Supports: The company sources aracha tencha from producers, then performs in-house selection, finishing, blending, and grinding for matcha production.

小柳津清一商店商品情報

Accessed Mar 27, 2026Confidence: 92%

Supports: The official product page routes the brand's matcha offer to the online-shop matcha category.

Compare brands

How does Oyaizu Seicha compare?

Compare blends side by side on our comparison pages.

Browse comparisons →

VerifiedOrganicHeritageApproachable

Oyaizu Seicha

小柳津清一商店

Shizuoka tea manufacturer founded in 1949 that operates as both a tea wholesaler and finished-goods maker, with in-house tea finishing, matcha processing, and the direct retail brand Gashoan.

Brand story

Oyaizu Seicha is a Shizuoka tea company that runs the Gashoan shops and cafés. It buys crude tencha from growers, then finishes, blends and grinds it in its own factory.

Brand Facts

Japanese name: 小柳津清一商店
Founded: 1949
Headquarters: Suruga-ku, Shizuoka
Origin regions: Shizuoka
Certifications: JAS Organic, FSSC 22000, Halal Certified
Official site: oyaizu.co.jp
Ships to: Japan
Price/gram range: $0.09/g
Blends tracked: 1

Origin regionsShizuoka

CertificationsJAS OrganicFSSC 22000Halal Certified

Blend Lineup

1 blend

Shizuoka Matcha Powder
CulinaryShizuokaLatteBaking
Lowest in stock: ¥14/g (≈$0.09/g) at Gashoan Official

Watch Oyaizu Seicha

Email me when any Oyaizu Seicha blend is back in stock or drops in price.

No spam. Unsubscribe anytime.

Where to Buy Oyaizu Seicha in Japan

Official stores and authorized retailers in Japan.

Headquarters Official Store

Shizuoka

Yaizu, Shizuoka

雅正庵焼津西小川店
Official Store
〒425-0036 静岡県焼津市西小川6丁目5-1

Frequently Asked Questions

When was Oyaizu Seicha founded?: Oyaizu Seicha was founded in 1949, based in Suruga-ku, Shizuoka. That is 77 years ago.
Where is Oyaizu Seicha matcha grown?: The Oyaizu Seicha teas on this page come from Shizuoka, Shizuoka prefecture.
Which Oyaizu Seicha matcha is best for lattes?: Shizuoka Matcha Powder is the Oyaizu Seicha matcha listed for lattes here.
Is Oyaizu Seicha a good matcha for beginners?: At $0.09 per gram, Oyaizu Seicha is inexpensive to try. Price does not tell you how it tastes.
Where does Oyaizu Seicha ship to?: Listed regions: Japan. Check Oyaizu Seicha's official site for your destination.
Where can I buy Oyaizu Seicha matcha in Japan?: This page lists 4 Oyaizu Seicha shops in Japan, including おやいづ製茶本店 in Shizuoka.
Is Oyaizu Seicha matcha organic?: Oyaizu Seicha lists organic certification, and also FSSC 22000, Halal Certified. A certificate may cover only some facilities or products; check the pack.

Sources

Sources (3)

小柳津清一商店会社案内

Accessed Mar 27, 2026Confidence: 98%

Supports: Founded on 1949-02-14 in Shizuoka; headquarters at 1-5-38 Mukoushikiji, Suruga-ku, Shizuoka; certifications include FSSC 22000, Halal, and Organic JAS.

おやいづ製茶の抹茶

Accessed Mar 27, 2026Confidence: 96%

Supports: The company sources aracha tencha from producers, then performs in-house selection, finishing, blending, and grinding for matcha production.

小柳津清一商店商品情報

Accessed Mar 27, 2026Confidence: 92%

Supports: The official product page routes the brand's matcha offer to the online-shop matcha category.

Compare brands

How does Oyaizu Seicha compare?

Compare blends side by side on our comparison pages.

Browse comparisons →