Perennial

perenne

(lasting or remaining active throughout the year, or all the time)

perenne

(continuing without cessation or intermission for several years, or for an undetermined or infinite period — see also perpetual, unceasing)

perenne

(of a plant: active throughout the year, or having a life cycle of more than two growing seasons)

perennifoli

(plant active throughout the year, or has a life cycle of more than two growing seasons)