Digitalis obscura die if left in wet soil over winter. "Digitalis obscura" grows in either full or partial sun. It blooms during late spring from May to June and spreads over the ground about 0.75–1.5 feet. Once established, it is perennial and grows at a rather moderate to fast pace. It is non-invasive and attracts hummingbirds. It is naturally resistant to deer and rabbits. "Digitalis obscura" is a shrub that grows about tall. The stems are smooth and erect. The long leaves are basal and form in a rosette fashion growing outward closer to the ground. Smaller leaves grow alternately along the
Recreational drug use part of the milieu of drug taking. The reasons for drug use appear to have as much to do with needs for friendship, pleasure and status as they do with unhappiness or poverty. Becoming a drug taker, to many people, is a positive affirmation rather than a negative experience.” Anthropological research has suggested that humans "may have evolved to counter-exploit plant neurotoxins". The ability to use botanical chemicals to serve the function of endogenous neurotransmitters may have improved survival rates, conferring an evolutionary advantage. A typically restrictive prehistoric diet may have emphasised the apparent benefit of consuming psychoactive drugs, which