Diplemium strigosum Plant Care

Diplemium strigosum (Erigeron integrifolius) belongs to the Asteraceae family within the Erigeron genus. Diplemium strigosum is native to the southeastern United States from Virginia to Louisiana. Diplemium strigosum is also known as Doronicum ramosum, Erigeron ambiguus, Erigeron annuus.

Diplemium strigosum displays a low rosette, spreading growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Diplemium strigosum produces daisy-like flowers in shades of pink, purple, or white.

Leaf size: approximately 2 inches.

Water a young or newly planted Diplemium strigosum 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.

Diplemium strigosum thrives in full sun to partial shade.

Erigeron integrifolius tolerates temperatures of 50–75°F. Diplemium strigosum prefers humidity levels of 40–60%.

Well-draining sandy loam with added organic matter. Good drainage is essential for Diplemium strigosum to prevent waterlogging, which leads to root rot and fungal issues.

Feed Diplemium strigosum 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 loam with added organic matter. Avoid low spots where water collects after rain.

Diplemium strigosum 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.

Diplemium strigosum 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 Diplemium strigosum 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.

Diplemium strigosum 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.

Diplemium strigosum can be propagated through seeds, division of clumps. Similar propagation techniques also apply to canadian fleabane plant care, which shares the same genus.

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Diplemium strigosum is susceptible to aphids, spider mites, powdery mildew. 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.

Diplemium strigosum grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Diplemium strigosum is native to the southeastern United States from Virginia to Louisiana. In cooler regions, grow Diplemium strigosum as a houseplant or bring it indoors before the first frost.