by Sue Smith | Jul 14, 2022 | Flower colour yellow, Flowering period All Year, Invasive, NEMBA Category 1B
Photo courtesy of Geoff Nichols Peanut butter cassia, Senna didymobotrya This is an evergreen, rounded shrub or small tree reaching up to 3m high that is native to Tropical Africa. Leaves are dark green with 8-21 pairs of leaflets in opposite pairs, 2-5cm long. The...
by Sue Smith | Jul 14, 2022 | Flower colour yellow, Flowering period All Year, Invasive, NEMBA Category 1B, Plant type tree
Yellow oleander, Thevetia peruviana / Casabela thevetia Yellow oleander is an extremely poisonousevergreen shrub or small tree native to Mexico and Central America, with a milky sap, reaching up to 6m high. Leaves are narrow, lance-shaped, bright green, glossy above...
by Sue Smith | Jul 13, 2022 | Flower colour yellow, Flowering period All Year, Invasive, NEMBA Category 1B, Plant type ground cover
Photo courtesy of Errol Douwes Wedelia or Singapore Daisy, Sphagneticola trilobata This plant is invasive throughout South Africa and is also considered one of the world’s worst 100 invasive species. Wedelia is a mat forming, creeping perennial herb that reproduces...
by Sue Smith | Feb 20, 2022 | Flower colour blue, Flowering period All Year, Invasive, NEMBA Category 1B, Plant type herb
These 2 invasive plants are native to Central and South America as well as the West Indies. They are very similar in appearance and difficult to tell apart, but both are classed as NEMBA Category 1b, invading a wide range of habitats including gardens, verges and...
Recent Comments