MMORPG.com World of Warcraft Correspondent James Wood provides us with tis Druid Talent Tree, Teir 1 for Blizzard's hit game.
Balance
Moonglow
Ranks: 3 Reduces the mana cost of your Moonfire, Starfire, Starfall, Wrath, Healing Touch, Rejuvenation and Regrowth by [3% x Talent Rank].
Moonglow is not a talent to skip for damage or healing, especially in the early game where most battles will leave you in need of a mana drink afterwards. There is the obvious effect of having more damage or healing spells cast for your full mana bar, but being able to conserve mana as a Druid in general means that you won have to rely on Innervate for longer periods of time, saving it for healers that are running low on mana.
Read Druid Talent Tree, Teir 1