lady's laces vs gardener's garters

lady's laces and gardener's garters both are nouns.

Word	Noun	Adjective	Verb	Adverb
lady's laces	Yes	No	No	No
gardener's garters	Yes	No	No	No

As nouns, lady's laces and gardener's garters are synonyms defined as:

lady's laces and gardener's garters: perennial grass of marshy meadows and ditches having broad leaves; Europe and North America

Other synonyms of lady's laces include Phalaris arundinacea, reed canary grass, ribbon grass.

lady's laces (noun)	gardener's garters (noun)
perennial grass of marshy meadows and ditches having broad leaves; Europe and North America	perennial grass of marshy meadows and ditches having broad leaves; Europe and North America