Growing Bamboo

Growing Bamboo

Hello, I was wondering if anyone could give me some pointers on growing bamboo. I have a small plant that I bought at Wal-Mart (of all places). Its in a ceramic pot full of large pebble-like stones, with a dark foam surrounding its base below the rocks' surface. There are 3 "trunks" bound together with what I think are twist-ties of some sort, each with a hard white.. thing.. stuck in the tops of the "trunks". There is also a small, hard straw stuck down the middle of the "trunks", I assume to allow oxygen into the water? This is how the bamboo came, I haven't removed or added anything myself. I've had it for over a year now I think, and while its not dead yet (:P), it really isn't getting any bigger. I keep it well watered, doing so about every other day. My cats used to get into it before I found a spot they couldn't access, and while I usually caught them before any real damage was done, there was one time that they completely shredded the leaves (thinking it was yummy grass they could eat) and it took a long time to recover (there are still some leaves with shredded ends). Also, the leaves are dull in appearance, almost with a faint yellowing. I'll try to get a picture up soon, I know that description is kinda long. :P Any advice is much appreciated. :)
Unidentified Plants (Again)

Unidentified Plants (Again)

my room

my room

What’s in my garden?

What’s in my garden?

Pictures, pictures, pictures!

Pictures, pictures, pictures!

i totally heart my room!

i totally heart my room!

It Begins

It Begins