I use 05 a lot and most of the time it is yeast I am reusing, I like 05 at 18C (64-65 F)
too cold US-05 will get a peachy taste, I brew mostly ales with it and have my batches in the kegs in 10 to 14 days
so here goes the questions I assume 15-17 c is your wort temps ? you say it got away from...