Learn more about Belladonna uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain Belladonna. Belladonna is a film that would not be forced inside to bloom. Belladonna is a branching plant that often grows to resemble a shrub of about 4 feet in height within a single growing season. Take a Look Inside These Six Presidential Homes. Belladonna is also known as Dwale, Banewort, Devil's Cherries, Devil's Herb, Devil's Cherries.