Originally Posted by
Hypasonic
His main issue is going oom not overhealing as such (even though both are pretty much interlinked) genesis and rampant growth will only make mana more of an issue, stick with germination (But only use it on tanks/fixated people/targets with debuffs etc) avoid using genesis where-ever possible (there are other healers better suited at providing bursty healing when needed).
Good CD useage can save you a lot of mana over the course of a fight, if you can use them effectively early enough then go for it just aslong as they are back up for when you need them. Keeping lifebloom up can give you more clearcasting procs which help, can't armory your char for some reason.