It is a shrub to about 2 metres high by about 1.5 metres wide with bright green leaves to about 20 mm long. The red flowers occur singly in the leaf axils and are seen over a long period between winter and early summer. Despite its natural habitat in a dry summer climate, A.obovatus has been successfully cultivated in a range of climates including those with humid summer conditions which are often unsuitable for plants from the south-west. It prefers well drained, light soils in full sun or dappled shade. The flowers produce nectar and attract honeyeating birds.
Propagation is reasonably easy from cuttings using firm, current season's growth.
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