diff --git a/src/main/java/com/minelittlepony/unicopia/block/RockCropBlock.java b/src/main/java/com/minelittlepony/unicopia/block/RockCropBlock.java
index 048815a9..8d9c2901 100644
--- a/src/main/java/com/minelittlepony/unicopia/block/RockCropBlock.java
+++ b/src/main/java/com/minelittlepony/unicopia/block/RockCropBlock.java
@@ -93,6 +93,14 @@ public class RockCropBlock extends CropBlock {
         return world.getClosestPlayer(pos.getX(), pos.getY(), pos.getZ(), 20, EquinePredicates.PLAYER_CAN_USE_EARTH) != null;
     }
 
+    @Override
+    public boolean isFertilizable(BlockView world, BlockPos pos, BlockState state, boolean isClient) {
+        if (world instanceof World && !canGrow((World)world, ((World)world).random, pos, state)) {
+            return false;
+        }
+        return super.isFertilizable(world, pos, state, isClient);
+    }
+
     @Override
     protected ItemConvertible getSeedsItem() {
         return UItems.PEBBLES;