You can use the ole "75% red hairs" method. Looks like you've got a ways to go. Can you cover them during frost?
Joefarmer Reviewed by Joefarmer on . ny outdoor grow log so, these are my plants that are left for me to believe they are or, hope anyway lol. there about 3 months old and, this season has really sucked weather wise. they didnt do much the first 2 months, stayed really small for a while. and with nutrients in this past month i brought it up to where it is now. but i usually have decent pre flowers by now this time of year, but this season has left me scratchin my head a bit. i think other than no pre flowers they look pretty good, let me Rating: 5