It is a small, dense shrub with white, mauve, cream or purple flowers.

Westringia dampieri is a small shrub with more or less circular stems in cross section.

The calyx is moderately thick, has five lobes 1.2–2.2 mm (0.047–0.087 in) long and simple hairs.

Flowering occurs in late summer, winter and early to mid spring.

[3] Westringia dampieri was first formally described in 1810 by Scottish botanist Robert Brown based on specimens collected at King George Sound and the description was published in Prodromus Florae Novae Hollandiae et Insulae Van Diemen.