Parahebe perfliata Scrophulariaceae David Feix, Berkeley Native to the higher country of New South Wales in Australia, this is a perennial to 2 feet with arching stems of grey-green ovate, stem-clasping leaves and nodding sprays of bright blue flowers. The foliage is excellent in arrangements and could be mistaken for eucalyptus. It needs to be cutting propagated every 2 or 3 years. Cut back old stems after blooming.