diff --git a/apps/editing-toolkit/editing-toolkit-plugin/block-patterns/class-block-patterns-from-api.php b/apps/editing-toolkit/editing-toolkit-plugin/block-patterns/class-block-patterns-from-api.php
index deb2e67379a2d..eecf3c4c5654e 100644
--- a/apps/editing-toolkit/editing-toolkit-plugin/block-patterns/class-block-patterns-from-api.php
+++ b/apps/editing-toolkit/editing-toolkit-plugin/block-patterns/class-block-patterns-from-api.php
@@ -117,20 +117,26 @@ function ( $a, $b ) {
 					$viewport_width = $viewport_width < 320 ? 320 : $viewport_width;
 					$pattern_name   = self::PATTERN_NAMESPACE . $pattern['name'];
 					$block_types    = $this->utils->maybe_get_pattern_block_types_from_pattern_meta( $pattern );
+					$pattern_props  = array(
+						'title'         => $pattern['title'],
+						'description'   => $pattern['description'],
+						'content'       => $pattern['html'],
+						'viewportWidth' => $viewport_width,
+						'categories'    => array_keys(
+							$pattern['categories']
+						),
+						'isPremium'     => $is_premium,
+						'blockTypes'    => $block_types,
+					);
+
+					$post_types = $this->utils->get_pattern_post_types_from_pattern( $pattern_props );
+					if ( $post_types ) {
+						$pattern_props['postTypes'] = $post_types;
+					}
 
 					$results[ $pattern_name ] = register_block_pattern(
 						$pattern_name,
-						array(
-							'title'         => $pattern['title'],
-							'description'   => $pattern['description'],
-							'content'       => $pattern['html'],
-							'viewportWidth' => $viewport_width,
-							'categories'    => array_keys(
-								$pattern['categories']
-							),
-							'isPremium'     => $is_premium,
-							'blockTypes'    => $block_types,
-						)
+						$pattern_props
 					);
 				}
 			}
@@ -253,4 +259,3 @@ private function update_core_patterns_with_wpcom_categories() {
 		}
 	}
 }
-
diff --git a/apps/editing-toolkit/editing-toolkit-plugin/block-patterns/class-block-patterns-utils.php b/apps/editing-toolkit/editing-toolkit-plugin/block-patterns/class-block-patterns-utils.php
index 093cfe4dbfac4..ddb3e5586220c 100644
--- a/apps/editing-toolkit/editing-toolkit-plugin/block-patterns/class-block-patterns-utils.php
+++ b/apps/editing-toolkit/editing-toolkit-plugin/block-patterns/class-block-patterns-utils.php
@@ -115,4 +115,23 @@ public function maybe_get_pattern_block_types_from_pattern_meta( $pattern ) {
 
 		return $block_types;
 	}
+
+	/**
+	 * Check for post type values in a pattern array
+	 *
+	 * @param array $pattern A pattern array such as is passed to `register_block_pattern`.
+	 *
+	 * @return array $postTypes An array of post type names.
+	 */
+	public function get_pattern_post_types_from_pattern( $pattern ) {
+		$post_types        = array();
+		$block_types       = $pattern['blockTypes'];
+		$block_types_count = count( $block_types );
+		// If all of a patterns blockTypes are template-parts then limit the
+		// postTypes to just the template related types.
+		if ( $block_types_count && count( array_filter( $block_types, fn( $block_type) => preg_match( '#core/template-part/#', $block_type ) ) ) === $block_types_count ) {
+			$post_types = array( 'wp_template', 'wp_template_part' );
+		}
+		return $post_types;
+	}
 }