The flowers are arranged in one-sided racemes in groups of twenty to ninety on the ends of branches, the rachis 35–50 mm (1.4–2.0 in) long.

The flowers are grey to purplish with a burgundy to scarlet style, the pistil 15–18.5 mm (0.59–0.73 in) long.

Flowering mainly occurs in late spring and summer and the fruit is a woolly-hairy follicle 9.0–10.5 mm (0.35–0.41 in) long.

[7] Beadle's grevillea grows in forest and woodland in shallow soil over granite, and occurs in four known populations.

The main threats to the species include inappropriate fire regimes, grazing by native animals and by livestock, and illegal collection.