I use 2 sites for Herbalism Pharming:
(Sorry Alla's - *sheepish grin* )
http://wow.tentonhammer.com/index.php?module=ContentExpress&file=index&func=display&ceid=160&meid=81
and
http://wow.crafterstome.com/home.html
Between the two sites, you should be able to plan where to go and what to look for. If you are using an addon that allows you to track what you (and some others) have found in the past, it should help you make your Gathering runs more productive.
Edited, Jul 30th 2007 12:07pm by Nnanji