Guide
Grass-fed cheese, explained
"Grass-fed" shows up on cheese labels more and more, but it isn't a cheese style the way bloomy-rind or washed-rind is — it's a claim about how the cow was raised. Here's what it actually means, and why you won't find a "grass-fed" filter on this site.
What "grass-fed" means for dairy
A grass-fed dairy cow gets most or all of its diet from pasture grass and forage rather than a grain-heavy feed (typically corn or soy). In practice, grass-fed operations range from cows on pasture for most of the year with some supplemental hay in winter, up to a stricter "100% grass-fed" standard — sometimes marketed as "grassmilk" — where grain never enters the diet at all. That range matters: two products can both say "grass-fed" and describe meaningfully different feeding programs, so the exact standard a brand follows is worth a look on the label or the producer's site.
Grass-fed vs. organic vs. raw milk
These three labels get lumped together, but they answer different questions. Organic is about what the cow is fed and treated with — no synthetic pesticides, fertilizers, or antibiotics — and organic cows are required to get some pasture access, but "organic" alone doesn't guarantee a grass-heavy diet; plenty of organic dairy is still grain-supplemented. Raw milk is about processing, not feed: whether the milk was pasteurized before it went into the cheese, which is a separate axis entirely and has its own (state-by-state) legal rules. Grass-fed is specifically about diet and grazing. A cheese can be any combination of the three, or none of them.
Why it's a producer claim, not a cheese-type property
This is also why you won't find a "grass-fed" filter anywhere else on cheesereviews.org. Every cheese on this site is scored on the same five fixed attributes, computed from a dataset of cheese types — Cheddar, Gouda, Brie, and so on — sourced from Wikidata with public provenance. "Grass-fed" doesn't describe a cheese type; it describes a specific farm's feeding practices at a specific time. Most cheddar isn't grass-fed. Some is. The same wheel-of-cheddar entry on this site covers both, because the type itself carries no grazing information — only an individual producer's own disclosure does. Baking a producer-level claim into a type-level dataset would make the score dishonest, the same reason this site dropped a "vegetarian" (rennet) field during scoring design — it's producer-dependent, not something a cheese type can carry cleanly. See how we score for the full rule.
Real producers to know
If you're shopping for grass-fed cheese specifically, look for a brand's own grazing disclosure rather than assuming it from the cheese type. A few well-documented producers that market grass-fed dairy in the US:
Irish dairy cooperative whose cows graze pasture for most of the year — the source of the grass-fed butter most American shoppers already recognize, and it makes a grass-fed Dubliner-style cheddar too.
A US farmer-owned cooperative; its Grassmilk products come from cows fed 100% grass and forage, with no grain at all — a stricter standard than "grass-fed" alone, which usually just means pasture is the majority of the diet.
Iowa dairy sourcing from small Amish and Mennonite family farms that graze cows on pasture; known for grass-fed cheddar and other traditional styles.
A Vermont-based dairy cooperative; some of its member farms practice pasture-based grazing, and the co-op has offered grass-fed cheddar in past product lines — worth checking current labeling, since not every Cabot product is grass-fed.
This list is informational, not a ranking or endorsement — always check current labeling, since a producer's feeding program can change between product lines or over time.