Amphiachyris fremontii Plant Care

Amphiachyris fremontii (Amphipappus fremontii) belongs to the Asteraceae family within the Amphipappus genus. Amphiachyris fremontii is native to desert regions of the southwestern United States, in southern California, southern Nevada, Arizona, and southeastern Utah.

Amphiachyris fremontii displays a low spreading groundcover growth habit, reaching up to 0.5 ft tall with a spread of approximately 1.5 ft. Amphiachyris fremontii produces small daisy-like flowers in shades of yellow and white.

Leaf size: approximately 2 inches.

Water a young or newly planted Amphiachyris fremontii 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.

Amphiachyris fremontii thrives in full sun to partial shade.

Amphipappus fremontii tolerates temperatures of 50–80°F. Amphiachyris fremontii prefers humidity levels of 40–70%.

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

Feed Amphiachyris fremontii 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.

Amphiachyris fremontii 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.

Amphiachyris fremontii 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 Amphiachyris fremontii 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.

Amphiachyris fremontii 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.

Amphiachyris fremontii can be propagated through seeds, division.

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

Amphiachyris fremontii is susceptible to aphids, whiteflies, 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.

Amphiachyris fremontii grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Amphiachyris fremontii is native to desert regions of the southwestern United States, in southern California, southern Nevada, Arizona, and southeastern Utah. In cooler regions, grow Amphiachyris fremontii as a houseplant or bring it indoors before the first frost.