Wedelia is the low groundcover that trails around the labyrinth. Its low-spreading nature and deep, glossy green leaves are highlighted by small stems with bright yellow daisy-like flowers.
This is reminiscent of the Angelita Daisy that was the original plant in the labyrinth. It did not do well, and neither did the Trailing Indigo Bush that followed.
The Wedelia seems to be thriving in that space. This exemplifies the multiple micro-climates that can occur in an arid space where differing levels of shade and other ecological challenges can mean the difference between a plant thriving in one spot and declining in another.
Native to Mexico, Central America, and the Caribbean, it is invasive in the neo-tropics.