diff --git a/src/git_flow/command/branch.py b/src/git_flow/command/branch.py
index c5f72c1..f987bdf 100644
--- a/src/git_flow/command/branch.py
+++ b/src/git_flow/command/branch.py
@@ -18,7 +18,13 @@ class BranchCommand(Command):
         parser.add_argument(
             "environment",
             nargs="?",
-            help="Entorno de las ramas a listar. Puede ser vacio para listar ramas de todos los entornos, un entorno válido, o 'trash' para listar las ramas eliminadas.",
+            help="Entorno de las ramas a listar. Por defecto, es el entorno actual.",
+        )
+
+        parser.add_argument(
+            "--trash",
+            action="store_true",
+            help="Listar ramas en la 'papelera de reciclaje' (ramas que empiezan con 'trash/')"
         )
 
         return parser
@@ -29,14 +35,14 @@ class BranchCommand(Command):
         self.current_branch = Git.get_current_branch()
         self.environments = self.flowconfig["flow.branches"].split(",")
 
+        if args.trash:
+            self.show_trash_branches()
         if args.environment is None:
             self.show_envs()
             self.show_all_branches()
         elif args.environment in self.environments:
             self.show_envs()
             self.show_env_branches(args.environment)
-        elif args.environment == "trash":
-            self.show_trash_branches()
         else:
             raise GitFlowError(f"'{args.environment}' no es un entorno válido.")