Welcome to the forum. We have a question thread here:
http://www.belltreeforums.com/showt...f-here!-(Read-first-before-creating-a-thread)
You don't need to water it. You don't need to water trees or bushes, only flowers. Just make sure it's in a location where it can grow ( not against a cliff, not too close to the river, not too close to another tree ).