Dahlias take turns as stars of the show

The Mexican border at the Dunedin Botanic Garden is full of colour with penstemons and dahilas. PHOTO: GERARD O'BRIEN So many colours and fragrances can be found along the Mexican border at the Dunedin Botanic Garden, where each week seems to bring a new scent or a fresh burst of colour. Over the past few weeks, Dahlia × hortensis has been an absolute delight, with more blooms opening every day.