Cassinia retorta
Botanical Information
| Family | Asteraceae |
| Genus | Cassinia |
| Species | retorta |
| Category | Tropicals, Woody |
| Type | Shrub (evergreen) |
| Origin | Native to New Zealand. |
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 | 1 - 2 m |
| Spread | 1 - 2 m |
| Growth | Fast |
| Flowering Period | July, August |
Description and Growing Information
| General Description | A hermaphroditic species that pollinates via assistance by insects. C. retorta is an evergreen shrub growing silver-green foliage in an upright and bushy habit. |
| Shape | Upright, bushy. |
| Landscape | Informal gardens, containers, borders, as a potted patio plant or as a specimen. |
| Propagation | Propagate by seed. |
| Cultivation | Plant in full sun to partial shade in well-drained chalky, loamy or sandy soils. |
| Pests | No notable pests or diseases. |
| Notable Specimens | Trebah Gardens, Mawnan Smith, Nr Falmouth, Cornwall. |
| Habitat | Dry plains and hills. |
Photographs
Cassinia retorta, form. Trebah Gardens, Mawnan Smith, Nr Falmouth, Cornwall. 15/10/2019.
Cassinia retorta, leaf. Trebah Gardens, Mawnan Smith, Nr Falmouth, Cornwall. 15/10/2019.
Cassinia retorta, flower. Trebah Gardens, Mawnan Smith, Nr Falmouth, Cornwall. 15/10/2019.