Kunzea newbeyi is a robust shrub with several main stems and many side branches and which grows to a height of . The leaves are
glabrous, oblong to lance-shaped with the narrower end towards the base, long and about wide, not including the
petiole which is a further long. The flowers are arranged in more or less spherical groups of 15 to 35, on the ends of branches which continue to grow after flowering. The flowers are surrounded by glabrous, egg-shaped
bracts and
bracteoles. The
floral cup is about long and glabrous and the five
sepals are egg-shaped to triangular and about long. The five petals are mid to deep pink, egg-shaped to almost round and long and there are about 40 to 50
stamens which are about twice as long as the petals. The
style is long. Flowering occurs in October and November and is followed by fruit which are
urn-shaped
capsules with the sepals remaining as erect lobes. ==Taxonomy and naming==