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A perennial plant or simply perennial is a plant that lives for more than two years. The term is often used to differentiate a plant from shorter-lived annuals and biennials.
Contact Us. Perennials This time the Latin 'perennis' means 'many years'. Sometimes called 'herbaceous perennials', which simply means they 'disappear' in winter. In fact, they die back to a rootstock where next year's shoots are protected and then magically grow back each spring.erennials This time the Latin 'perennis' means 'many years'. Sometimes called 'herbaceous perennials', which simply means they 'disappear' in winter.