If stored in a cool dry place they can last for years.

Staggered production schedule = perpetual grow. It involves at least two grow areas - on for veg and one for flower.
bigsby Reviewed by bigsby on . seeds I have white rhino seeds, grew few seeds last year and it came out really well had say two and a half to three ounces off one plant, i planted the rest of my seeds a week ago but must admit, they are nearly a year old when i put them in to veg one popped up another had shell stuck on and went mouldy, the other didn't even pop up. the one that did pop up sprouted two little leaves and hasn't grown higher or more leaves for say three days, i've had it on veg for a week, last time i grew them they Rating: 5