Snow columbine Plant Care

Snow columbine (Paraquilegia chionophila) belongs to the Ranunculaceae family within the Paraquilegia genus. Snow columbine is native to United States (Sierra Nevada mountains). Snow columbine is also known as Sierra columbine.

Snow columbine displays a low rosette, clumping growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Snow columbine produces delicate spurred flowers in shades of blue, purple, or white.

Leaf size: approximately 4 inches.

Water a young or newly planted Snow columbine every 5–7 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.

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

Paraquilegia chionophila tolerates temperatures of 50–75°F. Snow columbine prefers humidity levels of 40–60%.

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

Feed Snow columbine 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 moist, well-draining soil rich in organic matter. Avoid low spots where water collects after rain.

Snow columbine is suited to USDA Zone 4a – 7b.

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.

Snow columbine can spread to about 1 ft (0.3 m) and reach about 2 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 Snow columbine 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.

Snow columbine is hardy down to USDA zone 4a, so once established it can stay outdoors through winter in that zone and warmer ones.

Water deeply in late autumn before the ground freezes, and spread a 5–8 cm (2–3 in) layer of mulch over the root zone, keeping it away from the trunk.

Young and container-grown shrubs need extra protection: roots in a pot freeze much more easily than roots in the ground.

Snow columbine can be propagated through seeds, division of clumps. Similar propagation techniques also apply to small-leaf columbine plant care, which shares the same genus.

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

Snow columbine is susceptible to aphids, spider mites, slugs. 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.

Snow columbine grows outdoors in USDA Zone 4a – 7b. It survives winters down to planting zone 4a. Snow columbine is native to United States (Sierra Nevada mountains).