Draba howellii Plant Care

Draba howellii (Draba howellii) belongs to the Brassicaceae family within the Draba genus. Draba howellii is native to the Klamath Mountains of northern California and southern Oregon.

Draba howellii displays a low rosette, spreading growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Draba howellii produces small white or yellow flowers in clusters.

Leaf size: approximately 1 inches.

Water a young or newly planted Draba howellii 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.

Draba howellii thrives in full sun to partial shade.

Draba howellii tolerates temperatures of 50–75°F. Draba howellii prefers humidity levels of 40–60%.

Well-draining sandy soil with some organic matter. Good drainage is essential for Draba howellii to prevent waterlogging, which leads to root rot and fungal issues.

Feed Draba howellii 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 with some organic matter. Avoid low spots where water collects after rain.

Draba howellii 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.

Draba howellii 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 Draba howellii 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.

Draba howellii 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.

Draba howellii can be propagated through seeds, division. Similar propagation techniques also apply to magellan draba plant care, which shares the same genus.

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

Draba howellii is susceptible to aphids, flea beetles, cabbage worms. 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.

Draba howellii grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Draba howellii is native to the Klamath Mountains of northern California and southern Oregon. In cooler regions, grow Draba howellii as a houseplant or bring it indoors before the first frost.