 Banksia verticillata is found in scattered populations in two disjunct segments : one clustered around Walpole , and the other around Albany and eastwards to Cheynes Beach . All but one are located within 2 km ( 1 @.@ 5 mi ) of the coast , the exception is less than 10 km ( 6 mi ) inland . Plants grow on exposed coastal granite outcrops , often in cracks within boulders as well as shallow rocky soils . It is the only Banksia which grows exclusively in a granite soil . It grows in association with Taxandria marginata , Western Australian peppermint ( Agonis flexuosa ) , Andersonia sprengelioides and species of Hakea in scrub and heath . 
