plant life vs evergreen

plant life and evergreen both are nouns.

Word	Noun	Adjective	Verb	Adverb
plant life	Yes	No	No	No
evergreen	Yes	Yes	No	No

plant life (noun)	evergreen (noun)
(botany) a living organism lacking the power of locomotion	a plant having foliage that persists and remains green throughout the year

plant life (adjective)	evergreen (adjective)
	(of plants and shrubs) bearing foliage throughout the year