Herbalism is an almost necessary requirement for Alchemy. You're going to find herbs all around the world, so why not get this skill and take advantage of it?
Alchemy is a great skill that allows you to generate all sorts of instant and temporary potions to improve a character's effectiveness.
Alchemy
Blacksmithing
Mining
Herbalism
Leatherworking
Skinning
Engineering
Tailoring
Enchanting
Secondary Proffesions
Cooking
First Aid
Fishing