Regularly Available. Click on image to enlarge. 3.6 out of 5 stars 11. ... Plant &Craft Sale… Pittosporum confertilorum (hö‘awa) and . Unit price / per . Plant Gallery. Don't let the soil dry out and don't over-water your Gardenias or the flower buds will not open and may even drop off. Pittosporum confertilorum (hö‘awa) and . I hav… Gardenia Radicans is perhaps the lowest growing type, reaching only around .5 of a metre in height. Gardenia angusta. The Tiare flower is the emblem of Tahiti and is believed to relieve migraines and earaches, cure some forms of eczema and even heal wounds.