Barrell Seagrass is one of those bottles that makes you sit up and pay attention. This is a finished American rye whiskey bottled at a hefty 60.1% ABV — cask strength, no water added, no apologies. Barrell Craft Spirits has built a reputation for creative blending and finishing, and Seagrass is arguably their flagship expression. What sets it apart is the triple-barrel finishing process: the rye is split into three batches, each finished separately in apricot brandy, rum, and Martinique rhum agricole casks before being blended back together. That's not a gimmick — it's an ambitious approach to layering flavour, and the result is genuinely unlike anything else on the shelf.
What to Expect
At 60.1%, this is not a casual sipper straight out of the gate. You'll want to let it breathe, and a few drops of water will open it up considerably. The rye backbone is still very much present — expect that characteristic spice and grain-forward bite — but the finishing barrels add an unusual tropical and stone-fruit sweetness that plays against the spice beautifully. The rum and rhum agricole influence brings a sugarcane richness that you don't typically find in American whiskey, while the apricot brandy cask lends a dried-fruit quality that rounds out the sharper edges. It's a whisky that rewards patience. Give it ten minutes in the glass and it changes character entirely.
As a bartender, what I find most interesting about Seagrass is how it challenges the idea of what rye whiskey can be. American rye has legal requirements — at least 51% rye grain in the mashbill, aged in new charred oak — but what happens after that initial maturation is where producers can really express themselves. Barrell has taken that freedom and run with it. The NAS designation means we don't know the exact age, but the maturity and integration of the finishing suggest this isn't young spirit. The blend is well-constructed, with none of the individual finishing casks dominating the others.
The Verdict
At around £93, Barrell Seagrass sits in competitive territory. You're paying for cask-strength rye with a genuinely inventive finishing programme, and I think you're getting your money's worth. This isn't a standard spice-bomb rye — it's something with real depth and personality. The tropical and fruit-forward notes from the rum and brandy casks make it stand out in a crowded category, and the full proof bottling means you can dial it to exactly where you want it with water. I'm giving it an 8.1 out of 10. It's a well-executed, creative whiskey that delivers something different without losing sight of what makes good rye satisfying in the first place. If you're bored of the usual suspects in the rye category, this deserves a spot on your shelf.
Best Served
Seagrass makes a spectacular Manhattan. The tropical sweetness from the finishing casks means you can back off the sweet vermouth slightly — I'd go with a 2.5:1 ratio rather than the classic 2:1, using a quality dry Italian vermouth. The rye spice cuts through beautifully, and the rum-cask influence adds a richness that plays perfectly with Angostura bitters. Garnish with a brandied cherry. If you prefer it neat, add a teaspoon of water and let it sit — the lower proof reveals layers you'll miss at full strength. Either way, this is a bottle that rewards experimentation.
