casey jones

In week 4 of flowering (just started). I've LST'd them from the start. 51 days of veg. Papaya & Casey Jones. 400w COB until yesterday, now under 600w COB. Should I defoliate like 10-15 leaves from each plant? I've understood it will help my yield. Will it hurt doing it all in a single trimming...

Have been planning our first guerilla grow for a little while now, and have narrowed down everything except for the strain to use. We're split between Devil's Harvest's 'Casey Jones' and Dutch Passion's 'Frisian Dew'. Both of which look like they would survive the english climate whilst both are...