I'd plant something permanent and bad ass alongside an outdoor grow.

Bougainvillea is my outdoor cover of choice. They grow full and lush...at a faster rate than MJ...with gobs of blossoms and thorns to boot. Easily pruned and or moved out of the way if they grow over and block light from hitting MJ.

And once they're rooted and established...it takes a super-nova to kill the things. Start one now and by next spring you've a nice looking and defended cover for your outdoor growing.