Botanical Name: Galphimia gracilis ‘Thryallis’
Cold Hardiness Zone: 9b-11
Description: Thryallis is a medium sized evergreen shrub which grows nonstop bright yellow flowers throughout the seasons in south Florida. The shrub can grow unattended up to 9 feet tall in an open, oval shape while maintaining a dense nature. If used as an ornamental landscape shrub, this beauty is low maintenance, but may require occasional pruning.