Gymnosporia buxifolia is a very hardy, drought resistant, semi-deciduous, small tree or large shrub. It is armed with formidable long, straight spines.
Blooms profusely with white flowers that cover the branches from August to March.
Acacia brevispica (=Senegalia brevispica) is a hardy, semi-deciduous, robust, prickly, scrambling Acacia that can be trained into a large beautiful shrub.
It has feathery, large, soft, bipinnate leaves with small hook thorns along the ribs on the underside.
Asparagus laricinus is a very hardy, evergreen, shrubby Asparagus with fine, feathery foliage and silvery, zigzag branchlets.
It has a myriad of tiny, white, nectar-rich flowers in spring and summer that are fragrant and attract insects and birds.
Carissa edulis is a hardy, much-branched, evergreen, fast growing shrub or climber that has glossy, leathery leaves, which are sometimes hairy and have red growing tips. The hard rigid spines are almost always single.
Masses of beautiful, white flowers tinged with pink appear from September to December. These are followed by edible fruit that turns purplish-black when ripe, and because it is so sweet and juicy, makes a good jam or jelly.
The fruits attract birds to the garden.
It makes a good hedging plant, whether pruned to keep compact or left to grow freely. It needs to be controlled in a smaller garden but can be allowed to grow wild if you have the space where it will scramble through the trees.
Can be grown in semi-shade, but prefers full sun and flowers more profusely in the sun.
Size 1 to 3m
Dovyalis longispina is a hardy, evergreen to semi-deciduous shrub or small to medium-sized tree with glossy, dark-green, roundish, shiny leaves. The new growth is red.
The small whitish-yellow flowers appear in clusters from August to October Male and female flowers are on separate plants, therefore only female plants will bear fruit. The leaves drop during flowering but new leaves re-appear immediately.
The delicious, edible fruit is a beautiful pale red with white spots (they look a lot like strawberries).
The long, thin spines make this an ideal plant for a security hedge, but it is also an attractive garden plant. Attracts birds to the garden.
Plant in full sun or semi-shade in sandy or well-drained soil.
Size: 5 to 8m
Cassinopsis ilicifolia is a hardy, evergreen, decorative large shrub with glossy, bright green leaves and green stems.
The branchlets have a zigzag pattern and single spines.