Prostanthera ovalifolia - Mint Bush

The purple flowers of Prostanthera ovalifolia will likely make it one of the most colorful plants in your garden during its early Spring flowering period. The Mint Bush seems to do its best in full sun near the coast and in light shade in inland locations. The foliage is very fragrant and Prosanthera ovalifolia smells strongly of mint. Since there is no relation between mint the Mint Bush this will not be a substitute for the herb. Prostanthera ovalifolia has grown at a moderate pace to 8-10 feet tall and wide. Prosanthera ovalifolia is fairly short-lived and should be expected to be replaced after 5 years or so. Our plants have weathered temperatures in the low 20°s F. As with many Australian plants fertilizer can be harmful and excessive watering terminal.