From my experience, heat stress and insufficent/inconsistent photoperiods are usually what cause hermies to develop. This is the main reason I always recommend growing from clones.
GROWxMOREx420 Reviewed by GROWxMOREx420 on . so i got some male pollen sacks! i have a ww and humbolt purple the currently on there third week of flower and i seen that my humbolt purps has male pollen sacks along with female flowers i dont think i have light leeks i dont know why i keep getting hermies im running fox farms ocean forest i was running earth juice for veg nutes now im running fox farms open sesame and beasty blooms soluble nutes and im running about 18 cfls watt ranging from (1) 150w (6) 40w (6) 32w (5) 25w and there kelvin range fro 2700k to 5600k the Rating: 5