it's all called cannabis sativa...hemp, cbd, thc, the .03%THC threshold is man made making it reclassified into another plant (marijuana)...any cannabis plant harvested early will be higher in CBD..the longer it can grow it will produce THC, the same is true the more it's hybridized...the THC genome is already present, it becomes THC acid during a very short time period in its life cycle (the acid that makes you high when burned)..in fact degrading into CBG if not harvested..the problem is not the plant but Class I classification and obtaining seeds that will not change over time..in fact, it's moving away from seeds altogether and into tissue culture for plants, the most reliable method at this point..I harvest some of my own cannabis plants early and some later depending on the CBD experience I want or the THC experience...the biggest issue for growers at this point is finding a cannabis variety that produce both high CBD and high THC, which is hard to do..
grew 4 strains this year, outdoor only this year i will be working on an indoor setup this year. Umpqua, Harly Tsu, Suver Haze and Cherry. plan on expanding out the strain list as well. Umpqua performed the best.