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Galphimia glauca (Golden Thryallis)
Galphimia glauca 'Rain of Gold' - Golden Thryallis from Mortellaros

Golden Thryallis

Galphimia glauca 'Rain of Gold'

Thryallis is a captivating and ornamental shrub that boasts an eye-catching display of golden flowers. Native to Mexico, this cultivar is renowned for its vibrant blossoms, which resemble a shower of radiant gold when in full bloom. The plant features small, glossy green leaves that provide an attractive backdrop to the profusion of bright yellow flowers. 'Rain of Gold' is a compact and low-maintenance shrub, making it a popular choice for garden enthusiasts seeking a splash of color and visual appeal.

This particular variety is known for its versatility and adaptability to different growing conditions. It thrives in full sun to partial shade and is highly tolerant of heat and drought. 'Rain of Gold' can reach a height of around 3 to 4 feet with a similar spread, making it suitable for various garden settings, including borders, containers, or as a standout accent plant. Its long blooming period, typically spanning from spring to fall, ensures a prolonged showcase of its radiant golden flowers, attracting pollinators like bees and butterflies to the garden.

It will die back to the ground in the winter if it reaches mid 20s, but if mulched well it will return in the spring.

Flower Color:




4-6 ft



4-5 ft

USDA Hardiness Zone 9a

Characteristics & Attributes

Deer Tolerance
Full Sun
Water Needs