SAN PEDRO CACTUS FOR SALE NEAR ME - AN OVERVIEW

I’ve been growing San Pedros for a few 40 years. They’re in a very sunny bay window they usually develop high-quality, but they by no means branch (other than where I’ve had to trim them), they usually’ve in no way flowered. How am i able to get them to flower?Even 500 mg is taken into account an “Serious dose” So, generally keep perfec