Kagoshima has emerged as Japan's rising-star tea prefecture, leveraging its unique volcanic soil signature, warm subtropical climate, and ambitious cultivar breeding programme to produce sencha and Tamaryokucha (guricha) of increasing refinement. The Chiran district produces a clean, delicate style; the highland Kirishima zone produces teas with greater complexity and body. Kagoshima's Saemidori cultivar — producing vivid green colour and high theanine — is now the most sought-after in Japan for premium sencha production.
| Year | Rating | Notes |
|---|---|---|
| 2023 | 83 | Good harvest; reliable classic Kagoshima imo shochu production. |
| 2022 | 89 | Exceptional harvest; Kogane Sengan sweet potato at peak starch development. |
| 2021 | 83 | Excellent sweet potato season; characteristic rich, earthy-sweet shochu character. |
| 2020 | 78 | Good sweet potato harvest across Kagoshima; Kogane Sengan and Murasaki Masari varieties at classic quality. |