Deciduous In horticulture and botany, “deciduous” describes trees and shrubs that shed their leaves seasonally, usually in autumn, as well as the dropping of petals after flowering and ripe fruit. It means “falling off at maturity” and “tending to fall off.” Related Articles: Woodland Bird SpottingWildlife In Focus | Eurasian Blue TitWildlife In Focus | BlackbirdWildlife In Focus | The 9 Official Species of The Tit Family Resident In The British IslesWildlife In Focus | Common ChaffinchIdentifying and Listening to the Five Owl Species in the British IslesFine Art PrintsGlossary: BirchGlossary: BeechGlossary: Larch