Welcome KarlZ, no clue really on the growth rates. Mainly just welcoming ya. If you have some pics of your place please post them if you would like. It's nice to see others ideas.

The people who say I can't do it can just sit the @^#% down and watch me. Friends call me Rusto I also subscribe to pond boss mag. http://forums.pondboss.com/ubbthreads.php?ubb=showflat&Number=504716#Post504716