Short answer
The Farmer's bag is sold by the Vegetable Stand in The Town for a fixed 10 silver, one in stock from its first tier. It is a 4×4 bag — 16 slots — that holds only saplings, crops, fertilizers and seeds. The stand opens once you restore its building with the Market Stalls I technology. The bag cannot be destroyed or sold back.

Home and garden
View full-size image ↗Official promotional screenshot · © Lazy Bear Games / tinyBuild · Official media kit · Material credits
Where to buy it
The Vegetable Stand is a Town shop opened by restoring its building (technology Market Stalls I).
It stocks one Farmer's bag at every tier, at a fixed 10 silver.
The same stand sells wheat, carrot, beet and cabbage seeds from tier I, and onion and pumpkin seeds from tier II.

The Town from the official media kit. The Vegetable Stand is one of its restored shops; this is not the stand.
View full-size image ↗Official promotional screenshot · © Lazy Bear Games / tinyBuild · Official media kit · Material credits
What goes in
Saplings, crops, fertilizers and seeds — 16 slots in a 4×4 grid.
Peat fits, so a stack of fertilizer can ride along with your seeds.
Foraged alchemy ingredients such as Night flower do not — they belong in the Alchemist's bag.
Every bag and its shop
Alchemist's bag — 16 slots, alchemy ingredients, Apothecary, 10 silver.
Builder's bag — 16 slots, building materials, Furniture Maker or Builder, 15 silver.
Big universal bag — 16 slots, tools and most items, Tailor from level 2, 50 silver.
Universal bag — 9 slots, tools and most items, Tailor, 10 silver.
Fisherman's bag (bait and fish, Fish Stand), Food bag (food, cabbages and onions, Baker, Tavern or Brewery), Potion bag (Alchemist) and Tool bag (Jeweler or Smithy) — 9 slots each, 5 silver.
The Vegetable Stand's tiers
Tier I: 14 goods, up to 15 Likes a week from selling it crops.
Tier II: 26 goods, up to 30 Likes. Tier III: 33 goods, up to 50 Likes.
Selling it Wheat, Carrot, Beet and more earns Likes — and Likes set how many parishioners a sermon can draw.
Sources
- communitywikily.gg — Farmer's bag
- communitywikily.gg — Vegetable Stand
- communitywikily.gg — Big universal bag
- communitywikily.gg — Alchemist's bag
Related pages
Official screenshot · © Lazy Bear Games / tinyBuildCraftingGraveyard Keeper 2 Peat
Official screenshot · © Lazy Bear Games / tinyBuildAutomationGraveyard Keeper 2 Fertilizer
Official screenshot · © Lazy Bear Games / tinyBuildAutomationGraveyard Keeper 2 Zombie Gardening & Gardener Stand
Official screenshot · © Lazy Bear Games / tinyBuildThe TownThe Town in Graveyard Keeper 2
Official screenshot · © Lazy Bear Games / tinyBuildCraftingGraveyard Keeper 2 Night Flower