Spiny Linanthus Plant Care

Spiny Linanthus (Linanthus pungens) belongs to the Polemoniaceae family within the Linanthus genus. Spiny Linanthus is native to western North America from British Columbia to Baja California and east to Montana and New Mexico. Spiny Linanthus is also known as Prickly Linanthus.

Spiny Linanthus displays a low spreading ground cover growth habit, reaching up to 0.5 ft tall with a spread of approximately 1.5 ft. Spiny Linanthus produces small, delicate flowers in various colors.

Leaf size: approximately 1 inches.

Water a young or newly planted Spiny Linanthus 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.

Spiny Linanthus thrives in full sun to partial shade.

Linanthus pungens tolerates temperatures of 50–80°F. Spiny Linanthus prefers humidity levels of 30–60%.

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

Feed Spiny Linanthus 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. Avoid low spots where water collects after rain.

Spiny Linanthus 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.

Spiny Linanthus can spread to about 2 ft (0.5 m) and reach about 1 ft (0 m) tall. Space plants about 2 ft (0.5 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 Spiny Linanthus 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.

Spiny Linanthus 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.

Spiny Linanthus can be propagated through seeds, division. Similar propagation techniques also apply to beautiful linanthus plant care, which shares the same genus.

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

Spiny Linanthus is susceptible to aphids, spider mites. 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.

Spiny Linanthus grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Spiny Linanthus is native to western North America from British Columbia to Baja California and east to Montana and New Mexico. In cooler regions, grow Spiny Linanthus as a houseplant or bring it indoors before the first frost.