Banksia spinulosa
Botanical Information
| Family | Proteaceae |
| Genus | Banksia |
| Species | spinulosa |
| Category | Woody |
| Type | Shrub (evergreen) |
| Origin | The genus Banksia is named after Sir Joseph Banks (1743 - 1820) a British naturalist who joined Captain Cook on his explorations in the Pacific including Australia. The species ashbyi is named after Edwin Ashbyi a wildflower grower who collected the original type form. |
Details
| USDA Hardiness Zone | 9 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 9a or greater |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H3 |
| RHS Hardiness Ref. | |
| Temperature (°C) | (-5) - 1 |
| Temperature (°F) | 23 - 34 |
| Height | 0.1 - 0.5 m |
| Spread | 0.1 - 0.5 m |
| Growth | Slow |
| Flowering Period | August, October, November |
Description and Growing Information
| General Description | It is a lignotuberous shrub found in two forms; shrub or small tree. They are a fire-sensitive species and thus burns are required for seed release/germination. |
| Shape | Bushy. |
| Landscape | Ornamental plant, ideal for cut flower production, screen and windbreak. |
| Propagation | Seeds. Do not require any treatment and take 16 - 61 days to germinate. |
| Cultivation | Full sun to partial-sahde. Well-drained soils. Tolerates moderate frost. Do not prune to old wood as this could kill the plant. Deep infrequent watering is best. |
| Notable Specimens | Trebah Gardens, Mawnan Smith, Nr Falmouth, Cornwall. |
| Habitat | Red sand dunes near the coast from Exmouth to Geraldton extending inland. |