early-blooming vs early-flowering

early-blooming and early-flowering both are adjectives.

Word	Noun	Adjective	Verb	Adverb
early-blooming	No	Yes	No	No
early-flowering	No	Yes	No	No

As adjectives, early-blooming and early-flowering are synonyms defined as:

early-blooming and early-flowering: of plants that bloom during the spring

Other synonyms of early-blooming include late-spring-blooming, spring-blooming, spring-flowering.

early-blooming (adjective)	early-flowering (adjective)
of plants that bloom during the spring	of plants that bloom during the spring