flat-growing vs low-growing

flat-growing and low-growing both are adjectives.

Word	Noun	Adjective	Verb	Adverb
flat-growing	No	Yes	No	No
low-growing	No	Yes	No	No

As adjectives, flat-growing and low-growing are synonyms defined as:

flat-growing and low-growing: of plants that grow relatively low to the ground

Other synonyms of flat-growing include ground-hugging.

flat-growing (adjective)	low-growing (adjective)
of plants that grow relatively low to the ground	of plants that grow relatively low to the ground