diff --git a/db/migrate/20200801210054_missing_uniqueness.rb b/db/migrate/20200801210054_missing_uniqueness.rb
new file mode 100644
index 000000000..8b7580727
--- /dev/null
+++ b/db/migrate/20200801210054_missing_uniqueness.rb
@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+class MissingUniqueness < ActiveRecord::Migration[6.0]
+  def change
+    add_index(:garden_types, [:name], unique: true)
+    add_index(:garden_types, [:slug], unique: true)
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index f41c856d3..0d3042c9e 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2020_08_01_084007) do
+ActiveRecord::Schema.define(version: 2020_08_01_210054) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -225,6 +225,8 @@ ActiveRecord::Schema.define(version: 2020_08_01_084007) do
     t.text "slug", null: false
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.index ["name"], name: "index_garden_types_on_name", unique: true
+    t.index ["slug"], name: "index_garden_types_on_slug", unique: true
   end
 
   create_table "gardens", id: :serial, force: :cascade do |t|