"B. marginata" is generally fairly easy to grow in a well-drained sunny or partly-shaded position in the garden. It can be leggy in shadier positions, or a more compact bushy shrub in full sun . Some varieties from drier areas seem to do poorly in areas of summer humidity. The flowers are not prominent unless they are numerous. Established plants can withstand drought, coastal exposure and temperatures as low as . Propagation of plants can be by seed or cuttings; the latter is essential if trying to replicate plants of particular habit (such as dwarf specimens). Some "Banksia marginata" seed of subalpine provenance require stratification, namely keeping at for 60 days before germination takes place over 6 to 25 days. Salkin proposed this was necessary so that seed released in a summer or autumn bushfire would lie dormant over the winter months before germinating in the spring. "Banksia saxicola" and "Banksia canei" seed also share this trait.