An evergreen shrub, the jubilation gardenia is a sun-loving variety that produces large, fragrant, white double blooms, according to Vater. Once established, they require little effort and are disease-resistant. "Jubilation gardenias are a classic summer charmer  with an intoxicating scent from spring well into fall and elegant blooms contrasting deep evergreen foliage," Vater says. "This compact grower has a tidy form and is a reliable repeat bloomer ideal for containers or flower beds near walkways, porches, and seating areas."