Herbalism

Horde

All (to 300)
Jandi (The Drag, Orgrimmar)
Martha Alliestar (The Apothecarium, Undercity)
Komin Winterhoof (Thunder Bluff, centre of Thunderbluff, near Cairn Bloodhoof)
Ruw (Camp Mojache, Feralas)
Faruza (Brill, Tirisfal Glades)
Mishiki (Sen'jin Village, Durotar)
Angrun (Grom'gol Base Camp, Stranglethorn Vale)
Aranae Venomblood (Tarren Mill, Hillsbrad Foothills)
Flora Silverwind (Booty Bay, Stranglethorn Vale)

Master (to 375)
Ruak Stronghorn (Thrallmar, Hellfire Peninsula)

Alliance

All (to 300)
Reyna Stonebranch (The Great Forge, Ironforge)
Firodren Mooncaller (Darnassus, just outside The Temple of the Moon)
Telurinon Moonshadow (Menethil Harbour, Wetlands)
Shylamiir (The Park, Stormwind City)
Herbalist Pomeroy (Elwynn Forest, just outside Stormwind City)
Tannysa (The Mage Quarter, Stormwind City)
Alma Jainrose (Lakeshire, Redridge Mountains)
Kali Healtouch (Thelsamar, Loch Modan)
Malorne Bladeleaf (Dolanaar, Teldrassil)
Cylania Rootstalker (Silverwind Refuge, Ashenvale)
Malvor (Nighthaven, Moonglade)
Brant Jasperbloom (Theramore Isle, Dustwallow Marsh)
Flora Silverwind (Booty Bay, Stranglethorn Vale)

Master (to 375)
Rorelien (Honor Hold, Hellfire Peninsula)