Fact sheet: Thryallis by kathywarner Posted: June 11, 2017 This compact, upright, rounded, evergreen shrub is covered during most of the year with small, very showy, yellow flowers. The loose, open natural growth habit is ideal for informal plantings but it will need some… Read More Category: Florida-Friendly Landscaping, Home Landscapes Tags: Galphimia glauca, plant sale, Rain-of-Gold, Thryallis