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German wasp | Vespula germanica

German wasp

Vespula germanica

Coral bush | Ardisia crenata

Coral bush

Ardisia crenata

Purple loosestrife | Lythrum salicaria

Purple loosestrife

Lythrum salicaria

Pom pom weed | Campuloclinium macrocephalum

Pom pom weed

Campuloclinium macrocephalum

Canarybird bush | Crotalaria agatiflora

Canarybird bush

Crotalaria agatiflora

Peanut butter cassia | Senna didymobotrya

Peanut butter cassia

Senna didymobotrya

Rubber vine | Cryptostegia grandiflora

Rubber vine

Cryptostegia grandiflora

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Environmental Programmes

In order to tackle our country’s socio-economic challenges, the government adopted the Outcomes based approach to improve government performance and providing focus on service delivery. find out more

Oleander

Nerium oleander

Common name:

Oleander

Scientific name:

Nerium oleander (Apocynaceae)

Alternative common names:

Ceylon rose; dog-bane; double oleander; rose bay; rose laurel; South Sea rose (English), selonsroos (Afrikaans)

An evergreen shrub or small tree growing up to 6m high with dark, dull-green leaves that are paler below and have distinctive veins and a prominent midrib. Pink, red or white flowers which are slightly aromatic, with a single row of petals, appear from September to March. It bears reddish-brown fruit follicles which are finger-like and 10-20cm long. They are ridged and split longitudinally into two halves with seeds that have tufts of hairs. The whole plant is highly toxic and lethal and the sap is a skin irritant.

Additional Info

  • Where does this species come from?

    Mediterranean

    What is its invasive status in South Africa?

    Existing legislation: CARA 2002 – Category 1 NEMBA – Category 1b

    Where in South Africa is it a problem?

    Eastern and Western Cape, KwaZulu-Natal and Mpumalanga.

    How does it spread?

    Seed dispersal.

    Why is it a problem?

    Competes with indigenous species. All parts of the plant are highly toxic and lethal to humans, birds and other animals.

    What does it look like?

    General description: An evergreen shrub or small tree growing up to 6m high. Leaves: Dark, dull-green elongated leaves that are paler below with distinctive veins and a prominent midrib. Flowers: Pink, red or white flowers that are slightly aromatic with a single row of petals appearing from September to March. Fruit/seeds: Bears reddish-brown fruit follicles which are finger-like and 10-20cm long.

    Does the plant have any uses?

    Ornament and screening.

    Plant me instead alternatives

    September bush (Polygala myrtifolia), Pride-of-de-Kaap (Bauhinia galpinii), dune poison bush (Acokanthera oblongifolia).

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General News Updates

2019 National Symposium on Biological Invasio…

26-02-2019

This is your invitation to South Africa's 2019 National Symposium on Biological Invasions. The convention is hosted by the Centre for Invasion Biology (CIB), University of Stellenbosch, and the Biolo... Read more

2019 Invasive Species Training

22-01-2019

During the past five years (2014-2018), ISSA invasive species trainers have trained 4 000 in the identification of invasive species and laws pertaining to invasive species across South Africa.  ... Read more

Alien Grass Working Group

04-09-2018

Who are we? The South African National Alien Grass Working Group was jointly initiated by the South African Biodiversity Institute (SANBI) and the Centre for Excellence in Invasion Biology (C·I·B) in... Read more

Permits for planting indigenous Cynodon?

01-03-2018

On 16 February, 2018, South Africa's Department of Environmental Affairs issued amendments to the regulations and lists relating to the National List of Invasive Species.  Updates to the draft&n... Read more

Invasive species training 2018 dates released

28-02-2018

Interested in invasive species?  How much do you know about NEMBA invasive species compliance for landowners and organs of state? The South African Green Industries Council (SAGIC) have released... Read more

Communications post for Africa advertised

25-01-2018

The Nature Conservancy has advertised a brand new post:  Communications Manager, Africa Region. Knowledge of invasive species and water would be an asset in this post. See details below:    Job Titl... Read more