alright mrberrys i have grown white rhino white russian and white widow many times and the seeds that i got from nervana always yeilded the less so it may be a breeding thing and i have never had to wait that long to harvest 10 weeks being the max that it has taken any of the white strains i have grown, it may be a heat thing or they mighht just be slow that happens sometimes but its going to be worth the wait mate .all the white strains are shit hot . i have got a white russian cross going at the moment also warlock and a jamaican strain and the wr cross looks the most delisoius of them all be patient my freind you will soon be enjoying your spoils.