HIGHLY FRAGRANT. Everblooming Gardenia. a low to medium sized mounding shrub that grows in partial to full sun. Their sweet fragrant blooms appear in the late spring through the fall. Everblooming Gardenia love acidic, well drained soil and deep drenching water (but not soggy soil). They are wonderful in pots and their fragrance fills the air of its surroundings. Plant with organic planting mix like Omni or peat moss mixed liberally with native soil.