Silver-backed Adenocaulon Plant Care

Silver-backed Adenocaulon (Adenocaulon bicolor) belongs to the Asteraceae family within the Adenocaulon genus. Silver-backed Adenocaulon is native to North America. Silver-backed Adenocaulon is also known as Patchy-leaf, Silverleaf, Two-colored Adenocaulon.

Silver-backed Adenocaulon displays a low rosette, clumping growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Silver-backed Adenocaulon produces small white or pink flowers in clusters.

Leaf size: approximately 4 inches.

Water a young or newly planted Silver-backed Adenocaulon 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.

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

Adenocaulon bicolor tolerates temperatures of 50–75°F. Silver-backed Adenocaulon prefers humidity levels of 40–60%.

Moist, well-draining soil with high organic content. Good drainage is essential for Silver-backed Adenocaulon to prevent waterlogging, which leads to root rot and fungal issues.

Feed Silver-backed Adenocaulon 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 with high organic content. Avoid low spots where water collects after rain.

Silver-backed Adenocaulon is suited to USDA Zone 4a – 8b.

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.

Silver-backed Adenocaulon 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 Silver-backed Adenocaulon 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.

Silver-backed Adenocaulon 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.

Silver-backed Adenocaulon can be propagated through seeds, division. Similar propagation techniques also apply to false alpine lady's mantle plant care, which shares the same genus.

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

Silver-backed Adenocaulon 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.

Silver-backed Adenocaulon grows outdoors in USDA Zone 4a – 8b. It survives winters down to planting zone 4a. Silver-backed Adenocaulon is native to North America.