laws on growing/harvesting babies.

I am curious,

What's the laws on posession of babies in BC, Canada?

I mean, we're talking about just having the stemming leaves, still in a vegetative state, technically because they are still in a vegetative state they should not be considered a controlled substance until budding, am I wrong?

I mean, what if i'm just watering these babies, don't smoke it, deal it, traffic it, have no priors and live a normal life, but get busted with having say, 500 baby marijuana plants?

Any information would be appreciated. :o

i assume,it would be considered a plant no matter what size,
i know nothing about canada though,
good luck