How many grape varieties are permitted in the making of Bordeaux wine?

Here's the breakdown:

* Red varieties:

* Cabernet Sauvignon

* Merlot

* Cabernet Franc

* Malbec

* Petit Verdot

* White variety:

* Sauvignon Blanc

While other varieties may be planted in Bordeaux, only these six can be used in wines with the appellation "Bordeaux".