Particle.news

Four Roses Launches Experimental Series With First Mizunara Cask-Finished Bourbon

A limited run using rare Japanese mizunara oak aims to expand Four Roses' flavor range without changing its core recipe system.

Overview

  • The distillery announced the Experimental Series this week, unveiling Experimental Series No. 001 as a six-year-old OBSK Kentucky straight bourbon finished in mizunara oak and bottled at 104 proof.
  • Master Distiller Brent Elliott said the team tested recipes, yeast strains, barrel specs, and toast and char combinations and sampled the barrels nearly weekly to find the right balance for the finish.
  • No. 001 is the brand’s first-ever cask-finished bourbon, presented in 375 ml bottles with a suggested retail price of $55 and set to go on sale at Four Roses visitor centers on July 30.
  • Four Roses says the mizunara finishing project began before its 2026 sale to E&J Gallo, though some observers see the new releases as part of a broader product push after the ownership change.
  • The company lists Experimental Series Numbers 002 and 003 as coming soon, and the move could test demand for controlled, limited secondary-maturation releases in a soft whiskey market.