You cannot reliably prove the age of Liu Bao from leaf color or taste alone; the most trustworthy assessment combines packaging, production information, provenance, storage history, physical condition, sensory characteristics, and seller transparency.
The safest way to buy authentic 2026 Longjing is to choose a seller that clearly identifies the harvest year, origin, cultivar, and producer, and for West Lake Longjing, to verify the official anti-counterfeiting or traceability information whenever applicable.
