Prostanthera ovalifolia purpurea
1.5m x 2m
Medium open shrub with soft aromatic linear leaves and masses of large attractive purple flowers in springtime. Frost and drought hardy. Adaptable to heavy soils but best grown in well-drained soil in full sun to semi-shade. Excellent as an understorey shrub or in the garden. Prune once a year after flowering to promote density. Fast growing.