So I was perusing a few forums and came across a few discussions whereby persons are bantering about their various strain flowering times. "Oh my Himalayan Purple Yak Balls need 65 days of flowering and next dude says go 70, makes a big difference". I find these discussions mildy amusing as I am an outdoor grower and simply harvest when the trichomes are cloudy/amber. Having said that when does the clock start on an outdoor plant in the flowering stage? Is there a certain aspect of the early flowering stage that is used as a start reference?