spring-flowering vs early-blooming

spring-flowering and early-blooming both are adjectives.

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

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

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

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

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