And how to tell a male pot plant from a female.
A time consuming task but one that has to be done, is figuring out the males from the females when you’re growing from regular seed. We’ve been growing weed for over 40 years and still can’t tell a female from a male until they flower for a week or two.
IMO-growing from regular seed is better than using feminized or auto flowering seeds. Regular seed will give you a larger, more robust plant that you can easily clone.
Many growers can tell, or at least claim they can and there are many articles and videos about it, but we can’t figure it out. So we’re stuck; when we grow from seed, we have to allow seedlings to grow for awhile in the vegetative cycle than start flowering them (switch from 18 hours of light to 12 hours of light) so we can figure out who’s who.
Now we have to switch back to the vegetative cycle.
Once we have our girls (they have white wispy hairs/no little balls) figured out, we change the flowering light cycle back to the vegetative cycle. We start with 24 hours light for as long as it takes the girls to revert back to veg., (depending on strain, 1-3 weeks).
You’ll notice weird looking single leafs growing right up through the little buds. Don’t worry about them, just pick them off if they make you nervous or leave them.
We change the lights to 18 hours light on for another week than change to the GLR (Gas Light Routine) for the remaining time in the veg cycle (now you can see why clones are so much better).
Even though the plants initially look a little weird, they grow out into normal looking plants in a short while. Once you have a group of female plants growing in the vegetative cycle, you can start taking clones when the lower branches get to be around 3″ long or so.
All in all it can take around 3 weeks to differentiate the boys from the girls so it makes a lot of sense to keep a mother plant growing so you can take female clones anytime you need them.