Grevillea olivacea, commonly known as Olive Grevillea, is a shrub

Shrub

A shrub or bush is distinguished from a tree by its multiple stems and shorter height, usually under 5–6 m tall. A large number of plants may become either shrubs or trees, depending on the growing conditions they experience...

 which is endemic to the south-west of Western Australia

Western Australia

Western Australia is a state of Australia, occupying the entire western third of the Australian continent. It is bounded by the Indian Ocean to the north and west, the Great Australian Bight and Indian Ocean to the south, the Northern Territory to the north-east and South Australia to the south-east...

. It grows up to 4 metres in height and produces red, orange or yellow flowers between June and October (early winter to mid spring ) in its native range. It occurs in coastal areas between Coolimba and Jurien.

The species was first formally described by botanist Alex George

Alex George

Alexander Segger George is a Western Australian botanist. He is the authority on the plant genera Banksia and Dryandra...

, his description published in Nuytsia

Nuytsia

Nuytsia may refer to:*Nuytsia , the monospecific genus containing the species Nuytsia floribunda, the Western Australian Christmas Tree;*Nuytsia , the journal of the Western Australian Herbarium....

in 1974.

Cultivars

A number of hybrid cultivar

Cultivar

A cultivar'Cultivar has two meanings as explained under Formal definition. When used in reference to a taxon, the word does not apply to an individual plant but to all those plants sharing the unique characteristics that define the cultivar. is a plant or group of plants selected for desirable...

s of Grevillea olivacea x Grevillea preissii

Grevillea preissii

Grevillea preissii is a small shrub which is endemic to Western Australia. The red flowers appear between early winter and early spring. The species occurs near the coast between Greenhead and Bunbury. It grows to between 0.3 and 1.2 m high....

are available:

• 'Sea Spray', grown by George Lullfitz in Wanneroo, Western Australia
  Wanneroo, Western Australia
  The City of Wanneroo is a Local Government Area with City status, located in the northern suburbs of Perth, Western Australia. It is centred approximately north of Perth's central business district and forms part of the northern boundary of the Perth metropolitan area.The City's main commercial...
  
  .
• 'Winpara Gem'
• 'Winpara Gold'