Psychrophila obtusa Plant Care

Psychrophila obtusa (Psychrophila obtusa) belongs to the Ranunculaceae family within the Psychrophila genus.

Psychrophila obtusa displays a low rosette, spreading growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Psychrophila obtusa produces delicate, small white flowers in clusters.

Leaf size: approximately 2 inches.

Water a young or newly planted Psychrophila obtusa every 3–5 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.

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

Psychrophila obtusa tolerates temperatures of 50–75°F. Psychrophila obtusa prefers humidity levels of 40–60%.

Moist, well-draining soil rich in organic matter. Good drainage is essential for Psychrophila obtusa to prevent waterlogging, which leads to root rot and fungal issues.

Feed Psychrophila obtusa 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 to full shade and moist, well-draining soil rich in organic matter. Avoid low spots where water collects after rain.

Psychrophila obtusa is suited to USDA Zone 12a.

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.

Psychrophila obtusa 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 Psychrophila obtusa 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.

Psychrophila obtusa is frost-tender (hardy to USDA zone 12). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.

Psychrophila obtusa can be propagated through division, seeds. Similar propagation techniques also apply to psychrophila appendiculata plant care, which shares the same genus.

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Psychrophila obtusa is susceptible to aphids, slugs, snails. 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.

Psychrophila obtusa grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. In cooler regions, grow Psychrophila obtusa as a houseplant or bring it indoors before the first frost.