Eremophila Maculata: BLUE BELLS With yards today being more compact in size, petite shrubs are a must. This little 3 foot gem is an outstanding choice if you live in an arid, dry climate. Eremophila Maculata is native to the Western deserts of Australia. The tubular shape flowers make this a great plant for hummingbird gardens. It requires deep watering once weekly, with good drainage. It flowers year round.