This shrub is upright with spreading angular branches that form an irregular bushy habit. It has grey-green divided leaves with pointed needle-like segments and the yellowish tube-shaped flowers appear in a cluster predominantly in spring.

Hardiness zones 9 to 10 

Grevillea armigera is naturally found in Western Australia from Buntine to Dowerin growing a shrubland with small trees or in sandy heathland. It prefers a well drained moderately fertile sandy gravelly loam in an open sunny position with a hot dry summer and is frost and drought tolerant. 

The Prickly Toothbrushes is grown for its flowers and pungent foliage. It is planted in parks and gardens along borders as a specimen or used as a pedestrian barrier in public places. It is suitable for coastal and inland regions establishing in 2 to 3 years and is moderately long lived. ID 2624

Note:
This plant may appear sporadically along disturbed soils, such as road verges and is grown in the eastern states as a grafted form.

This plant is not commonly cultivated and may be difficult to obtain requiring a specialist nursery.

Grevillea (gre-VIL-ee-a) armigera (AH-mee-JER-ah)

Proteaceae (pro-tee-AY-see-ee)
Protea Family