diff --git a/plugins/woocommerce/changelog/51421-update-use-horizon-env b/plugins/woocommerce/changelog/51421-update-use-horizon-env
new file mode 100644
index 00000000000..0258515d62b
--- /dev/null
+++ b/plugins/woocommerce/changelog/51421-update-use-horizon-env
@@ -0,0 +1,4 @@
+Significance: minor
+Type: add
+
+Add use-wp-horizon feature flag to set calpyso_env to horizon
\ No newline at end of file
diff --git a/plugins/woocommerce/client/admin/config/core.json b/plugins/woocommerce/client/admin/config/core.json
index 3c201f07922..6bfd9954259 100644
--- a/plugins/woocommerce/client/admin/config/core.json
+++ b/plugins/woocommerce/client/admin/config/core.json
@@ -39,6 +39,7 @@
 		"launch-your-store": true,
 		"product-editor-template-system": false,
 		"blueprint": false,
-		"reactify-classic-payments-settings": false
+		"reactify-classic-payments-settings": false,
+	  	"use-wp-horizon": false
 	}
 }
diff --git a/plugins/woocommerce/client/admin/config/development.json b/plugins/woocommerce/client/admin/config/development.json
index 802c62fe6a3..da6f07d82dd 100644
--- a/plugins/woocommerce/client/admin/config/development.json
+++ b/plugins/woocommerce/client/admin/config/development.json
@@ -39,6 +39,7 @@
 		"launch-your-store": true,
 		"product-editor-template-system": false,
 		"blueprint": true,
-		"reactify-classic-payments-settings": false
+		"reactify-classic-payments-settings": false,
+	  	"use-wp-horizon": false
 	}
 }
diff --git a/plugins/woocommerce/src/Admin/API/OnboardingPlugins.php b/plugins/woocommerce/src/Admin/API/OnboardingPlugins.php
index fb6fa25570d..55f55edfe85 100644
--- a/plugins/woocommerce/src/Admin/API/OnboardingPlugins.php
+++ b/plugins/woocommerce/src/Admin/API/OnboardingPlugins.php
@@ -11,6 +11,7 @@ defined( 'ABSPATH' ) || exit;
 
 use ActionScheduler;
 use Automattic\Jetpack\Connection\Manager;
+use Automattic\WooCommerce\Admin\Features\Features;
 use Automattic\WooCommerce\Admin\PluginsHelper;
 use Automattic\WooCommerce\Admin\PluginsInstallLoggers\AsynPluginsInstallLogger;
 use WC_REST_Data_Controller;
@@ -238,6 +239,10 @@ class OnboardingPlugins extends WC_REST_Data_Controller {
 		$redirect_url = $request->get_param( 'redirect_url' );
 		$calypso_env  = defined( 'WOOCOMMERCE_CALYPSO_ENVIRONMENT' ) && in_array( WOOCOMMERCE_CALYPSO_ENVIRONMENT, [ 'development', 'wpcalypso', 'horizon', 'stage' ], true ) ? WOOCOMMERCE_CALYPSO_ENVIRONMENT : 'production';
 
+		if ( Features::is_enabled( 'use-wp-horizon' ) ) {
+			$calypso_env = 'horizon';
+		}
+
 		return [
 			'success' => ! $errors->has_errors(),
 			'errors'  => $errors->get_error_messages(),