Care of the plant Grevillea olivacea or Olive grevillea |
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The genus Grevillea, family Proteaceae, includes 400-500 species of shrubs and trees native to Australia and Papua New Guinea. Some species are: Grevillea olivacea, Grevillea crithmifolia, Grevillea robusta, Grevillea rosmarinifolia, Grevillea lanigera, Grevillea juniperina, Grevillea johnsonii, Grevillea Golden Yu-Lo, Grevillea Clearview David, Grevillea brachystachya, Grevillea alpina, Grevillea sulphurea, Grevillea thyrsoides. Common names: Olive grevillea. This species is native to the south west of Western Australia. They are compact evergreen shrubs that reach 4 meters (13.12 feet) in height. The leaves are grayish green and similar to those of the olive tree. The curious and attractive spider-like flowers can be red, orange or yellow. They bloom from winter to spring. Olive grevillea is used as isolated specimens, to form hedges and windbreaks, on dry and sunny slopes and in shrubby groups. It's ideal for Mediterranean coastal gardens due to its resistance to wind. It attracts butterflies and bees. Grevillea olivacea needs full sun exposure and a Mediterranean climate. It resists light and occasional frosts. Olive grevillea grows in any type of soil that has excellent drainage. Planting is done in the fall. Grevillea olivacea is very resistant to drought plants that need moderate watering, waiting for the substrate to dry completely. Fertilize with a little compost in the fall. Prune after flowering, slightly shortening the buds that have flowered. Olive grevillea is a plant resistant to the usual pests and diseases but sensitive to the accumulation of water in the roots. Grevillea olivacea is propagated from seeds sown in spring or autumn in the nursery and by semi-woody cuttings. |
Images of the plant Grevillea olivacea or Olive grevillea |
 Grevillea olivacea  Grevillea olivacea |