diff --git a/CHANGELOG.md b/CHANGELOG.md
index 706510f..513be92 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,3 @@
 ## Additions
 
-- Add `elytra_repair_ingredients` tag which controls which blocks azalea's can be placed on
+- Add `seagrass_cant_plant_on` tag which controls which blocks a seagrass can't be placed on
diff --git a/README.md b/README.md
index fcf2e85..d00fa19 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,7 @@ This can be usefull for compatibility (this avoids possible conflicts with Mixin
 - `nether_wart_plantable_on` which controls which blocks a nether wart can be placed on
 - `not_pushable_by_piston` which controls which blocks cannot be pushed by a piston
 - `sugar_cane_plantable_on` which controls which blocks a sugar cane can be placed on
+- `seagrass_cant_plant_on` which controls which blocks a seagrass can't be placed on
 - `wither_rose_plantable_on` which controls which blocks a wither rose can be placed on
 
 ### Item Tags
diff --git a/src/main/java/fr/mysteriousdev/quilt_tag_plus/mixin/SeagrassBlockMixin.java b/src/main/java/fr/mysteriousdev/quilt_tag_plus/mixin/SeagrassBlockMixin.java
new file mode 100644
index 0000000..14a84bd
--- /dev/null
+++ b/src/main/java/fr/mysteriousdev/quilt_tag_plus/mixin/SeagrassBlockMixin.java
@@ -0,0 +1,17 @@
+package fr.mysteriousdev.quilt_tag_plus.mixin;
+
+import fr.mysteriousdev.quilt_tag_plus.utils.ModBlockTags;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.SeagrassBlock;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(SeagrassBlock.class)
+public class SeagrassBlockMixin {
+	@Redirect(method = "canPlantOnTop", at = @At(value = "INVOKE", target = "Lnet/minecraft/block/BlockState;isOf(Lnet/minecraft/block/Block;)Z"))
+	private boolean canPlantOnTop(BlockState instance, Block block) {
+		return instance.isIn(ModBlockTags.SEAGRASS_CANT_PLANT_ON);
+	}
+}
diff --git a/src/main/java/fr/mysteriousdev/quilt_tag_plus/mixin/TallSeagrassBlockMixin.java b/src/main/java/fr/mysteriousdev/quilt_tag_plus/mixin/TallSeagrassBlockMixin.java
new file mode 100644
index 0000000..64a60c6
--- /dev/null
+++ b/src/main/java/fr/mysteriousdev/quilt_tag_plus/mixin/TallSeagrassBlockMixin.java
@@ -0,0 +1,17 @@
+package fr.mysteriousdev.quilt_tag_plus.mixin;
+
+import fr.mysteriousdev.quilt_tag_plus.utils.ModBlockTags;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.TallSeagrassBlock;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(TallSeagrassBlock.class)
+public class TallSeagrassBlockMixin {
+	@Redirect(method = "canPlantOnTop", at = @At(value = "INVOKE", target = "Lnet/minecraft/block/BlockState;isOf(Lnet/minecraft/block/Block;)Z"))
+	private boolean canPlantOnTop(BlockState instance, Block block) {
+		return instance.isIn(ModBlockTags.SEAGRASS_CANT_PLANT_ON);
+	}
+}
diff --git a/src/main/java/fr/mysteriousdev/quilt_tag_plus/utils/ModBlockTags.java b/src/main/java/fr/mysteriousdev/quilt_tag_plus/utils/ModBlockTags.java
index cf4c356..4c1c940 100644
--- a/src/main/java/fr/mysteriousdev/quilt_tag_plus/utils/ModBlockTags.java
+++ b/src/main/java/fr/mysteriousdev/quilt_tag_plus/utils/ModBlockTags.java
@@ -14,6 +14,7 @@ public class ModBlockTags {
 	public static final TagKey<Block> NETHER_WART_PLANTABLE_ON = TagKey.of(RegistryKeys.BLOCK, Identifier.of(Main.MODID, "nether_wart_plantable_on"));
 	public static final TagKey<Block> NOT_PUSHABLE_BY_PISTON = TagKey.of(RegistryKeys.BLOCK, Identifier.of(Main.MODID, "not_pushable_by_piston"));
 	public static final TagKey<Block> SUGAR_CANE_PLANTABLE_ON = TagKey.of(RegistryKeys.BLOCK, Identifier.of(Main.MODID, "sugar_cane_plantable_on"));
+	public static final TagKey<Block> SEAGRASS_CANT_PLANT_ON = TagKey.of(RegistryKeys.BLOCK, Identifier.of(Main.MODID, "seagrass_cant_plant_on"));
 	public static final TagKey<Block> WITHER_ROSE_PLANTABLE_ON = TagKey.of(RegistryKeys.BLOCK, Identifier.of(Main.MODID, "wither_rose_plantable_on"));
 
 }
diff --git a/src/main/resources/data/quilt_tag_plus/tags/block/seagrass_cant_plant_on.json b/src/main/resources/data/quilt_tag_plus/tags/block/seagrass_cant_plant_on.json
new file mode 100644
index 0000000..ba86722
--- /dev/null
+++ b/src/main/resources/data/quilt_tag_plus/tags/block/seagrass_cant_plant_on.json
@@ -0,0 +1,6 @@
+{
+  "values": [
+    "minecraft:magma_block",
+    "minecraft:gold_block"
+  ]
+}
diff --git a/src/main/resources/quilt_tag_plus.mixins.json b/src/main/resources/quilt_tag_plus.mixins.json
index 018e022..891e987 100644
--- a/src/main/resources/quilt_tag_plus.mixins.json
+++ b/src/main/resources/quilt_tag_plus.mixins.json
@@ -7,16 +7,18 @@
       "ChorusFlowerBlockMixin",
       "ChorusPlantBlockMixin",
       "ChorusPlantFeatureMixin",
+      "ElytraItemMixin",
       "EndCrystalItemMixin",
       "FurnaceMinecartEntityMixin",
       "IronGolemEntityMixin",
       "NetherWartBlockMixin",
       "PistonBlockMixin",
       "RespawnAnchorBlockMixin",
+      "SeagrassBlockMixin",
       "SugarCaneBlockMixin",
+      "TallSeagrassBlockMixin",
       "TntBlockMixin",
-      "WitherRoseBlockMixin",
-      "ElytraItemMixin"
+      "WitherRoseBlockMixin"
     ],
 	"client": [],
 	"injectors": {