[6] The overall appearance of the foliage is dense and dark green with a silvery sheen from the fine hairs.

It is thought that the cultivar is a coastal form that may have been selected from the Yanakie Isthmus - Wilsons Promontory region in Victoria.

[10] The cultivar has been planted widely in Australia and other countries due its ornamental foliage, compact form, showy flower clusters and attraction to nectar-seeking birds.

[6][11] 'Mt Tamboritha' prefers a well-drained situation with full sun exposure, or in partial shade.

In 2003, it was reported that the fungal disease Phytophthora palmivora had been detected in plant nurseries in Sicily, leading to root rot and death of potted Grevillea cultivars.