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Italian buckthorn

Italian buckthorn
Photo: P
Invasive Plant
Italian buckthorn
Rhamnus alaternus* 

A hardy, fast-growing evergreen shrub to 4 metres in height that has been widely used as a garden hedge. The leaves are dark green and leathery, up to 5 cm long with finely serrate edges. 



Seeds are spread by birds into coastal vegetation and forest, where it can form dense thickets by suckering and displace native shrubs.

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Suggested Alternatives: Escallonia 'Iveyi'


Alternative Plants

Lilly Pilly
Photo: © immij pty ltd
Alternative Plant Lilly Pilly
Acmena smithii minor
Trees and Shrubs

A dense-foliaged, medium tree that grows 8–10 m high by 6 m wide. The leaves are glossy green. Flowers are creamy-white in spring–summer followed by fleshy fruits, white to purple in colour. This is an extremely hardy plant that will grow in full-sun to partial shade. It is most often used for hedging and topiary where it can be trimmed to shape. New growth is glossy bronze-red in colour, maturing to mid-green. Generally considered to be resistant to Lilly Pilly Psyllid.

Mexican orange blossom
Photo: Nursery & Garden Industry South Australia
Alternative Plant Mexican orange blossom
Choisya ternata
Trees and Shrubs
A showy shrub that grows 1 to 2 metres tall with dark glossy green leaves and clusters of white flowers in spring and summer that have a strong orange fragrance. It is quick growing, heat and dry tolerant when established, prefers a sunny position and is frost tolerant to -3 degrees. Choisya is ideal for hedging, appreciating a prune after flowering to maintain shape, and as a feature plant in the garden.
Sweet viburnum
Photo: Nursery & Garden Industry South Australia
Alternative Plant Sweet viburnum
Viburnum odoratissimum 
Trees and Shrubs
A highly floral, dense, vigorous tall shrub with lustrous leaves that are bronze in new growth turning to a lush green. Grows to 3.5-4m tall by 1.5 to 2m wide.  Can be used as a background planting, as a screen or hedge. Recommended for its fragrant blooms. Attracts nectar eating birds and insects. Prefers well-drained soils and some afternoon shade in hotter locations.    A popular cultivar is 'Green Emerald'
NB. The related Viburnum tinus is not recommended as it has become invasive in bushland within the Southern Lofty region.
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