by Yamamasa Koyamaen山政小山園
Seiun (Blue Cloud) occupies a prestigious position in Yamamasa Koyamaen's upper tier. Named to evoke the clarity and elevation of the sky, it offers refined umami depth, clean sweetness, and exceptional smoothness — positioned for important guest service and formal tea ceremony contexts.
Editorial verdict
High-prestige ceremonial grade with refined clarity — a notable step up toward the koicha tier.
Kanso Tea
Best price$50.00 / 30g
$1.67/g
Ujicha Matcha
$59.59 / 30g
$1.99/g
Cafe Kobeco
$78.00 / 30g
$2.60/g
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Tracked across 3 merchants
Price trend
$50.00
Range: $50.00 — $78.00
| Merchant | Price | Per gram | Status | Checked |
|---|---|---|---|---|
| kanso-tea· 30g | $50.00 | $1.67/g | In Stock | Jul 13, 2026 |
| ujicha-matcha· 30g | $59.59 | $1.99/g | In Stock | Jul 13, 2026 |
| cafe-kobeco· 30g | $78.00 | $2.60/g | In Stock | Jun 17, 2026 |
Other blends from Uji
Yamamasa Koyamaen Official Site
Supports: Product name and lineup position confirmed
About the brand
山政小山園
Historic Uji grower-manufacturer founded in 1861, integrating cultivation, processing, and stone-milled matcha production. Supplier to major tea ceremony schools with 22 competition wins.
View all Yamamasa Koyamaen blendsSeiun is sourced from Uji, Japan.
Seiun is priced at ¥5,508 for 30g (¥184/g).
You can buy Yamamasa Koyamaen Seiun directly from Yamamasa Koyamaen's official website. Current availability: in-stock.