Ageratina ligustrina (privet-leaved eupatorium, privet-leaved ageratina)
Botanical Information
| Family | Asteraceae |
| Genus | Ageratina |
| Species | ligustrina |
| Category | Perennials |
| Type | Shrub (evergreen) |
| Origin | Native to Mexico and Costa Rico. |
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 | 2.5 - 4 m |
| Spread | 2.5 - 4 m |
| Growth | Slow |
| Flowering Period | September, October |
Description and Growing Information
| General Description | A medium-sized evergreen shrub with clusters of flat-headed, small, white flowers. |
| Shape | Bushy. |
| Landscape | Flower borders, flower beds, city gardens. |
| Propagation | Propagate by root softwood cuttings. |
| Cultivation | Grow in well-drained soil in full sun or light shade. |
| Pests | Susceptible to aphids and slugs. |
| Notable Specimens | Trebah Gardens, Mawnan Smith, Nr Falmouth, Cornwall. Trengwainton garden, Madron, Cornwall, United Kingdom. |
Photographs
Ageratina ligustrina, form. Trebah Gardens, Mawnan Smith, Nr Falmouth, Cornwall. 15/10/2019.
Ageratina ligustrina, leaf. Trebah Gardens, Mawnan Smith, Nr Falmouth, Cornwall. 15/10/2019.
Ageratina ligustrina, flower. Trebah Gardens, Mawnan Smith, Nr Falmouth, Cornwall. 15/10/2019.
Ageratina lingustrina, form. Trengwainton garden, Madron, Cornwall, United Kingdom. 17/10/2019.
Ageratina lingustrina, leaf. Trengwainton garden, Madron, Cornwall, United Kingdom. 17/10/2019.
Ageratina lingustrina, flower. Trengwainton garden, Madron, Cornwall, United Kingdom. 17/10/2019.
Ageratina ligustrina, form. Trebah Gardens, Mawnan Smith, Nr Falmouth, Cornwall. 15/10/2019.