The best replacement for gardenia is jasmine.

The best alternatives to gardenia are rated as following:
★★★★★  jasmine
★★★★  camellia
★★★  high 5
★★★  camelia
★★  magnolia
★★  massimo
★★  azalea
★  roti massimo
  sunshine
  cape jasmine

Your alternative for gardenia is not listed? Suggest!
Speaking about gardenia, one probably shouldn't forget about yellow leaves.

Other search terms related to gardenia and their ratings are:
★★★★★ yellow leaves
★ yellowing leaves
You have in mind a companion for gardenia and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of gardenia in all years. Click on graph for more.
gardenia
jasmine
camellia