Here are a few threads on F1 and tiger LMB. Tiger LMB are a specific type of F1s. I have suggested people stock 45% N , 35 % F1 and 20% Fla. in southern locations north of I-10 but south of I-40. Do some reading and ask question before making a decision.

http://www.pondboss.com/forums/ubbthreads.php?ubb=showflat&Main=2158&Number=23352#Post23352

http://www.pondboss.com/forums/ubbthreads.php?ubb=showflat&Main=5690&Number=52295#Post52295

http://www.pondboss.com/forums/ubbthread...=true#Post13802

http://www.pondboss.com/forums/ubbthread...=true#Post12714

http://www.pondboss.com/forums/ubbthread...=true#Post60907