Hortensis may refer to: Anemone hortensis, a plant that has mauve flowers Arion hortensis, also known by its common name the "garden slug" Atriplex hortensis, a hardy, annual plant Majorana hortensis, a somewhat cold-sensitive perennial herb Sylvia hortensis, western Orphean warbler Eisenia hortensis or European nightcrawler, a medium-small earthworm Cepaea hortensis or the White-lipped snail, a common land snail