Meant to be used along with InControl, with rules which grants seeds based on biomes (copied below)

  {
    "biome": ["minecraft:swamp"],
    "block": "minecraft:grass",
    "random": 0.1,
    "give": "enchanted:water_artichoke_seeds",
    "result": "allow"
  },
  {
    "block": "minecraft:snow",
    "random": 0.1,
    "give": "enchanted:snowbell_seeds",
    "result": "allow"
  },
  {
    "biome": ["minecraft:dark_forest"],
    "block": "minecraft:grass",
    "random": 0.1,
    "give": "enchanted:belladonna_seeds",
    "result": "allow"
  },
  {
    "biome": ["minecraft:sparse_jungle"],
    "block": "minecraft:grass",
    "random": 0.1,
    "give": "enchanted:mandrake_seeds",
    "result": "allow"
  },
  {
    "biome": ["minecraft:taiga","minecraft:old_growth_pine_taiga","minecraft:old_growth_spruce_taiga","minecraft:snowy_taiga"],
    "block": "minecraft:grass",
    "random": 0.1,
    "give": "enchanted:wolfsbane_seeds",
    "result": "allow"
  },
  {
    "biome": ["minecraft:birch_forest","minecraft:old_growth_birch_forest"],
    "block": "minecraft:grass",
    "random": 0.1,
    "give": "enchanted:garlic",
    "result": "allow"
  }