PGR Weed vs Natural CBD Flower: What Plant Growth Regulators Mean for Hemp Quality Not all hemp flower is grown the same way. Some flower is cultivated with careful genetics, proper drying, clean curing, and transparent lab testing. Other flower may be pushed for size, density, or appearance using plant growth regulators, often called PGRs. At Green Nursery, we focus on natural, lab-tested hemp flower and avoid sourcing CBD flower from growers… Read more