Barleria rotundifolia or the spiny Barleria is an evergreen shrub that produces beautiful butter-yellow flowers from December to late summer, and is ideal for those sensitive places you would like to protect from destructive feet, as it forms an attractive thorny barrier.
The plants require full sun to semi-shade and should be planted in sandy to loamy soil. A moderate amount of water is required and these plants do rather well in the dry season, thus it is a perfect choice for a water-wise garden. It can withstand a certain amount of cold weather, especially if planted in a protected area. It is advisable to prune Barleria rotundifolia after it has flowered.