semi-evergreen vs half-evergreen

semi-evergreen and half-evergreen both are adjectives.

Word	Noun	Adjective	Verb	Adverb
semi-evergreen	No	Yes	No	No
half-evergreen	No	Yes	No	No

As adjectives, semi-evergreen and half-evergreen are synonyms defined as:

semi-evergreen and half-evergreen: of a plant that is incompletely evergreen

semi-evergreen (adjective)	half-evergreen (adjective)
of a plant that is incompletely evergreen	of a plant that is incompletely evergreen