Denalan
[60.9, 68.4]is a level 11 quest giver located on the eastern edge of Lake Al'Ameth in the night elf territory of Teldrassil. He is a herbalist that works on curing the new world tree, and dealing with the raging timberling situation. He has a small tent and a row of plants. Occasionally, a small group of mini-timberlings, with the colour scheme of greater ones (blue-green) will spawn next to him. They are only level 2-3 though, and are easily dispatched.
He starts the following quests:
[7] Timberling Seeds
[7] Timberling Sprouts
[7] Rellian Greenspyre
[9] Oakenscowl
[12] Planting the Heart