Gardenia Kleim's Hardy 9 cm Pot x 1. Hardy perennial. Enjoy the heavenly fragrance of gardenia flowers in your garden with the first hardy variety. This dwarf evergreen shrub produces exotic looking, single snow white flowers against a backdrop of dark glossy foliage. Gardenia plants are best planted in patio containers or in sheltered borders next to a path or doorway, where it's distinctive gardenia perfume can be most appreciated. Height and spread: 90 cm 36 inch. Supplied in a 9 cm pot. Ideal For:exotic garden, patio, scented gardens. Flowering period: June, July, August. Position: Dappled shade.