diff --git a/iris.overworld.swamp/biomes/swamp-beach.json b/iris.overworld.swamp/biomes/swamp-beach.json
index 70bd6b9b..0fb858fa 100644
--- a/iris.overworld.swamp/biomes/swamp-beach.json
+++ b/iris.overworld.swamp/biomes/swamp-beach.json
@@ -7,11 +7,7 @@
             "minHeight": 3,
             "maxHeight": 6,
             "palette": [
-                "PODZOL",
-                "PODZOL",
-                "PODZOL",
-                "PODZOL",
-                "PODZOL",
+                "STONE",
                 "COARSE_DIRT",
                 "COARSE_DIRT"
             ]
diff --git a/iris.overworld.swamp/biomes/swamp-mountains.json b/iris.overworld.swamp/biomes/swamp-mountains.json
index 0c964be8..3041c90d 100644
--- a/iris.overworld.swamp/biomes/swamp-mountains.json
+++ b/iris.overworld.swamp/biomes/swamp-mountains.json
@@ -2,12 +2,14 @@
     "name": "Swamp Mountains",
     "layers": [
         {
+            "terrainZoom": 0.5,
+            "dispersion": "WISPY",
             "palette": [
-                "PODZOL",
-                "PODZOL",
-                "PODZOL",
-                "PODZOL",
-                "PODZOL",
+                "GRASS_BLOCK",
+                "GRASS_BLOCK",
+                "GRASS_BLOCK",
+                "GRASS_BLOCK",
+                "GRASS_BLOCK",
                 "COARSE_DIRT",
                 "COARSE_DIRT"
             ]
diff --git a/iris.overworld.swamp/biomes/swamp-roofed.json b/iris.overworld.swamp/biomes/swamp-roofed.json
index 514fb311..0aa801d3 100644
--- a/iris.overworld.swamp/biomes/swamp-roofed.json
+++ b/iris.overworld.swamp/biomes/swamp-roofed.json
@@ -2,11 +2,15 @@
     "name": "Roofed Swamp",
     "layers": [
         {
+            "terrainZoom": 0.5,
             "dispersion": "WISPY",
-            "terrainZoom": 0.25,
             "palette": [
-                "PODZOL",
-                "PODZOL",
+                "GRASS_BLOCK",
+                "GRASS_BLOCK",
+                "GRASS_BLOCK",
+                "GRASS_BLOCK",
+                "GRASS_BLOCK",
+                "COARSE_DIRT",
                 "COARSE_DIRT"
             ]
         },