Grevillea
'Canberra Gem'
Canberra Gem Grevillea
| Family |
| Proteaceae |
| Genus |
| Grevillea |
| Cultivar |
| 'Canberra Gem' |
| Category |
| Tropicals, Woody |
| Type |
| Shrub (evergreen) |
| USDA Hardiness Zone |
| 8b - 9a |
| Canadian Hardiness Zone |
| Requires cool season protection under glass. |
| RHS Hardiness Zone |
| H4 |
| Temperature (°C) |
| -9 - (-4) |
| Temperature (°F) |
| 15 - 25 |
| Height |
| 2 m |
| Spread |
| 3 m |
| General Description |
| In order to survive in poor soils Grevillea have evolved with proteoid roots. These roots which develop each season, grow into the top levels of the soil to extract nutrients. |
| Landscape |
| Wall-side borders and flower borders. |
| Cultivation |
| A marginally frost hardy cultivar that prefers acidic growing conditions and is intolerant of wet soils. Grevillea are particularly intolerant of phosphorous so a fertilizer low in this nutrient is a must. |
| Growth |
| Medium |
| ID Characteristic |
| Rigid linear leaves holding bright pink clusters of flowers |
| Pests |
| No major issues. |
| Habitat |
| Members of the Grevillea genus are found only in the southern hemisphere. |
| Propagation |
| By seed or semi-hardwood cuttings |