In a period between late autumn and spring, it produces showy, upright or pendant flowers .

[2] Diplolaena grandiflora occurs on limestone outcrops and ridges in an area between Geraldton and North West Cape.

[4] The type specimen was collected in 1801 from Dirk Hartog Island during a French voyage of exploration captained by Jacques Hamelin and Nicholas Baudin.

The specimen was brought back to France and described by René Desfontaines in 1817, who gave it the specific epithet of grandiflora meaning "large-flowered".

It prefers good drainage and part shade and requires pruning to enhance flower production.