Microrphium pubescens Plant Care

Microrphium pubescens (Microrphium pubescens) belongs to the Gentianaceae family within the Microrphium genus.

Microrphium pubescens displays a low rosette, spreading ground cover growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Microrphium pubescens produces small, trumpet-shaped flowers in shades of blue, purple, or white.

Leaf size: approximately 3 inches.

Water a young or newly planted Microrphium pubescens every 4–7 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.

Microrphium pubescens thrives in partial shade to full shade. The optimal light range is 100–500 lux. Avoid placing Microrphium pubescens in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Microrphium pubescens tolerates temperatures of 60–75°F. Microrphium pubescens prefers humidity levels of 40–60%.

Well-draining, loamy soil with added organic matter for moisture retention. Good drainage is essential for Microrphium pubescens to prevent waterlogging, which leads to root rot and fungal issues.

Feed Microrphium pubescens 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 partial shade to full shade and well-draining, loamy soil with added organic matter for moisture retention. Avoid low spots where water collects after rain.

Microrphium pubescens is suited to USDA Zone 13a.

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.

Microrphium pubescens can spread to about 1 ft (0.3 m) and reach about 1 ft (0 m) tall. Space plants about 1 ft (0.3 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 Microrphium pubescens 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.

Microrphium pubescens 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.

Microrphium pubescens can be propagated through seeds, division of offsets.

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

Microrphium pubescens 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.

Microrphium pubescens grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. In cooler regions, grow Microrphium pubescens as a houseplant or bring it indoors before the first frost.