Farming Black Lotus With a World of Warcraft Herbalist

With the WoW herbalim profession you can make a great deal of money by farming Black Lotus. The herb can sell for 5-25g depending on your server. You can easily get 30g per hour. Morning would be the best time to hunt for them since there's probably alot less players at that time.

Here are some zones where you can find them:
Alterac Valley
Silithus
Winterspring
Burning Steppes
Eastern Plaguelands