Thank you both for your most excellent advice! I really appreciate it!
I forgot to mention that this has to go by my HOA, which luckily are people that live in the neighborhood. Also, there is a huge cement power pole beyond the wall I mentioned. The wall used to be high enough, but the road was widened and it rose several feet in the process. While walking down the sidewalk, one can see the door knob on my back door; hence the reason I am wanting to grow some bamboo.
The power pole is a good 8-10 feet beyond the wall and the bottom line (I would guess the ground line) is approximately 25 or so feet up from the ground.
After doing research (googling) on your suggestions, it would seem that the Bambusa Textilis Gracilis would meet my needs the best since it doesn't get too high, but provides a nice privacy screen. Wouldn't you agree?
I have about 34 feet that I would want to cover unless my 2 neighbors (one on each side) want it to spread along their part of the wall.
I guess I have until about next March to get the approval from the HOA and speak to my neighbors.
I was also wanting to ask if I shouldn't make absolute sure that the nursery where I get these from knows exactly what Bambusa Textilis Gracilis is and doesn't just refer to it as "bamboo".
Thanks and I am glad I found this great forum!