diff --git a/bin/pg.wasm b/bin/pg.wasm
index 0ff4a5e..b727aca 100644
Binary files a/bin/pg.wasm and b/bin/pg.wasm differ
diff --git a/constants.h b/constants.h
index 47ce046..3ab5e38 100644
--- a/constants.h
+++ b/constants.h
@@ -39,7 +39,7 @@ constexpr float ROCK_NOISE_SHARPNESS = 85.0;
 // grass
 constexpr int MAX_NUM_GRASSES_PER_CHUNK = 2048;
 constexpr int MAX_NUM_FLOWERS_PER_CHUNK = 2048;
-constexpr float GRASS_THRESHOLD = 0.05;
+constexpr float GRASS_THRESHOLD = 0.65;
 constexpr float GRASS_HEIGHT_VARIATION_RANGE = 0.5;
 constexpr float GRASS_COLOR_VARIATION_BASE = 1.0;
 constexpr float GRASS_COLOR_VARIATION_RANGE = 0.3;
diff --git a/generation/glsl.cc b/generation/glsl.cc
index 5c62339..9f41fac 100644
--- a/generation/glsl.cc
+++ b/generation/glsl.cc
@@ -431,15 +431,21 @@ float getWetness(vec2 position)
     return clamp(simplex(position / 2.f) + 0.2f, 0.f, 1.f);
 }
 
-float getGrassMaterial(vec2 position, float wetness)
+float getGrassNoise(vec2 position, float wetness)
 {
     float noise = warpNoise1Layer_2(position * 10.f) * wetness;
+    return noise * 9.5f;
+}
+
+float getGrassMaterial(vec2 position, float wetness)
+{
+    float noise = getGrassNoise(position, wetness);
     return clamp(noise, 0.f, 1.f);
 }
 
 float getGrassObject(vec2 position, float wetness)
 {
-    return getGrassMaterial(position, wetness);
+    return getGrassNoise(position, wetness);
 }
 
 bool getGrassVisibility(vec2 position, float wetness)
diff --git a/generation/noise.h b/generation/noise.h
index ba6f63a..59c22c8 100644
--- a/generation/noise.h
+++ b/generation/noise.h
@@ -176,7 +176,22 @@ class UberNoise
     {
     case (uint8_t)INSTANCE::TREE:
     {
-      color = vm::vec3{0.f, 0.f, 0.f};
+      const float hash = (hashNoise(x * 3.f, z * 3.f) * 2.0 - 1.0);
+      const float colorVariationNoise = vm::clamp(GRASS_COLOR_VARIATION_BASE + simplexm15 * GRASS_COLOR_VARIATION_RANGE, 0.0f, 1.f + GRASS_COLOR_VARIATION_RANGE);
+      const float randomBladeFactor = heightfield.field.hash * 2.f - 1.f;
+      color = (vm::vec3{colorVariationNoise / 1.0f, colorVariationNoise / 1.0f, colorVariationNoise / 1.3f} +
+               vm::vec3{randomBladeFactor / 10.f, randomBladeFactor / 7.f, randomBladeFactor / 12.f}) +
+               vm::vec3{hash, hash / 3.f, -hash} / 7.f;
+      break;
+    }
+    case (uint8_t)INSTANCE::BUSH:
+    {
+      const float hash = (hashNoise(x * 6.f, z * 6.f) * 2.0 - 1.0);
+      const float colorVariationNoise = vm::clamp(GRASS_COLOR_VARIATION_BASE + simplexm15 * GRASS_COLOR_VARIATION_RANGE, 0.0f, 1.f + GRASS_COLOR_VARIATION_RANGE);
+      const float randomBladeFactor = heightfield.field.hash * 2.f - 1.f;
+      color = (vm::vec3{colorVariationNoise / 1.3f, colorVariationNoise / 1.0f, colorVariationNoise / 1.1f} +
+               vm::vec3{randomBladeFactor / 12.f, randomBladeFactor / 6.f, randomBladeFactor / 10.f}) +
+               vm::vec3{hash, -hash / 2.f, -hash / 2.f} / 6.f;
       break;
     }
     case (uint8_t)INSTANCE::FLOWER:
@@ -188,8 +203,8 @@ class UberNoise
     {
       const float colorVariationNoise = vm::clamp(GRASS_COLOR_VARIATION_BASE + simplexm15 * GRASS_COLOR_VARIATION_RANGE, 0.0f, 1.f + GRASS_COLOR_VARIATION_RANGE);
       const float randomBladeFactor = heightfield.field.hash * 2.f - 1.f;
-      color = (vm::vec3{colorVariationNoise / 1.4f, colorVariationNoise / 1.6f, colorVariationNoise / 1.75f} +
-               vm::vec3{randomBladeFactor / 8.f, randomBladeFactor / 10.f, randomBladeFactor / 12.f});
+      color = (vm::vec3{colorVariationNoise / 2.05f, colorVariationNoise / 1.6f, colorVariationNoise / 2.1f} +
+               vm::vec3{randomBladeFactor / 13.f, randomBladeFactor / 9.f, randomBladeFactor / 14.f});
       break;
     }
     case (uint8_t)INSTANCE::ROCK: