Slender Goldshower Plant Care

Slender Goldshower (Galphimia gracilis) belongs to the Malpighiaceae family within the Galphimia genus. Slender Goldshower is native to eastern Mexico. Slender Goldshower is also known as Narrowleaf Golden Thryallis, Rainforest Bush.

Slender Goldshower displays a compact, bushy shrub growth habit, reaching up to 3 ft tall with a spread of approximately 3 ft. Slender Goldshower produces small yellow flowers in clusters.

Leaf size: approximately 2 inches.

Water a young or newly planted Slender Goldshower every 7–10 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established shrubs mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.

Slender Goldshower thrives in full sun to partial shade.

Galphimia gracilis tolerates temperatures of 65–85°F. Slender Goldshower prefers humidity levels of 40–60%.

Well-draining sandy soil mix with added organic matter for nutrients. Good drainage is essential for Slender Goldshower to prevent waterlogging, which leads to root rot and fungal issues.

Feed Slender Goldshower every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established shrubs in good soil often need little extra feeding, so let weak growth or pale foliage guide you.

Stop feeding by late summer so new growth can harden before winter.

The PlantoScan app can remind you when to water and when to fertilize each plant.

Choose a spot with full sun to partial shade and well-draining sandy soil mix with added organic matter for nutrients. Avoid low spots where water collects after rain.

Slender Goldshower is suited to USDA Zone 13b.

Plant container-grown or balled-and-burlapped shrubs in spring or early autumn, setting the root flare at soil level, and water well after planting.

Slender Goldshower can spread to about 3 ft (0.9 m) and reach about 3 ft (1 m) tall. Space plants about 3 ft (0.9 m) apart so mature crowns don't crowd each other, and plant at least half that distance from buildings, fences and paths.

Planning a row or hedge? Try the plant spacing calculator.

Prune Slender Goldshower while it is dormant in late winter: first remove dead, damaged and crossing branches, then thin lightly for shape.

If it flowers in spring, prune right after flowering instead so you don't remove next year's buds. Never take off more than about a quarter of the shrub in one year.

Slender Goldshower is frost-tender (hardy to USDA zone 13). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.

Slender Goldshower can be propagated through softwood cuttings, seeds. Similar propagation techniques also apply to glaucous thryallis plant care, which shares the same genus.

See all plants toxic to cats and plants toxic to dogs.

Slender Goldshower is susceptible to aphids, spider mites, whiteflies. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.

Slender Goldshower grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Slender Goldshower is native to eastern Mexico. In cooler regions, grow Slender Goldshower as a houseplant or bring it indoors before the first frost.