1
efflorescence(noun, herb, blossom, bud, floret)
1
endure
1
entire
1
ephemeral
1
ever
1
ever-blooming
1
ever-new
1
fixed(adjective, stable, persistent, constant, hardened)
1
flat(adjective, continuous)
1
flowering plant
1
for keeps(expression, stable, constant, enduring, lasting)
1
forever(stable, constant, enduring, lasting, permanent)
1
forever and a day(expression, idiom, stable, constant, lasting)
1
fungus
1
gametophyte
1
gradual
1
greenery(noun, flower, shrub, bush, weeds)
1
gymnosperm
1
half-hardy
1
hardy
11 years ago|12k views|share |citing 
APASmart Define. (2015). perennial thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/perennial/thesaurus/synonyms
ChicagoSmart Define. 2015. "perennial thesaurus" https://smartdefine.org/perennial/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, perennial thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/perennial/thesaurus/synonyms>.
MLASmart Define. "perennial thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/perennial/thesaurus/synonyms>