If a seed sprouts then the seed is good. The growth scale of the plant has nothing to do with the age of the seed. Bigsby is correct, in a cool dry place a seed can store for quite a long time.

JSG.
JeffersonStateGrower Reviewed by JeffersonStateGrower 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