Bells of Ireland (Moluccella laevis), also known as shell flower, is an annual plant from the mint family (Lamiaceae) that captivates gardeners with its distinctive green floral spikes. Native to western Asia, Bells of Ireland is widely used in the floral industry, both fresh and dried. Thriving in cool climates, this plant typically blooms in late summer, growing to a height of 0.6–1 meter (2–3 feet). Its square, thorny stems bear toothed leaves, while the leafy flower spikes reach nearly 1 meter tall. These spikes feature cup-like green calyxes surrounding small, fragrant white corollas. The flowers are two-lipped and tubular, characteristic of the mint family. Bells of Ireland readily self-seeds and shows resistance to most diseases and pests.

Bells of Ireland, native to western Asia, are commonly used in the floral industry as fresh or dried flowers. Belonging to the Labiatae (mint) family, these flowers have also been utilised for their aromatic qualities. Botanically known as Molucella laevis, they hold a special significance with the meaning "Good Luck, Luck be With You, You Will Have Good Luck," making them a favourite flower for Saint Patrick's Day and any occasion when a celebration is in order.