This shrub has many upright angular branches that form a compact habit. The divided rigid prickly leaves are blue-green and the orange-red tube shaped flowers appear in lax semi-pendant raceme from winter to spring.
  
Hardiness zones 9 to 11 

Grevillea dielsiana is naturally found in Australia from Geraldton to Shark Bay north of Perth in Western Australia growing amongst low thick scrub. 

It requires very a well drained sandy to gravelly loams in an open sunny position with hot dry summers and mild wet winters and tolerates drought, light frost and salt spray.

This Grevillea is grown for its flowers and is planted in shrub borders for small or large gardens as a specimen or pedestrian or intruder barrier. It is suitable for coastal regions establishing in 2 to 3 years and is an excellent for attracting birds or as a haven. Also used in planter boxes or group plantings. ID 2365

Note:
This plant dislikes humid summer conditions and a greater number of flower buds will develop under cool to cold winter conditions.

Grevillea (gre-VIL-ee-a) dielsiana (dee-EL-see-AH-nah)

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