Chilean Firebush Plant Care

Chilean Firebush (Oreocallis grandiflora) belongs to the Proteaceae family within the Oreocallis genus. Chilean Firebush is native to mountainous regions in Peru and Ecuador.

Chilean Firebush displays a tall, upright tree growth habit, reaching up to 30 ft tall with a spread of approximately 15 ft. Chilean Firebush produces showy clusters of small, tubular flowers in shades of red, orange, or yellow.

Leaf size: approximately 8 inches.

Water a young or newly planted Chilean Firebush every 7–14 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established trees mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.

Chilean Firebush thrives in full sun to partial shade.

Oreocallis grandiflora tolerates temperatures of 50–80°F. Chilean Firebush prefers humidity levels of 40–70%.

Well-draining, acidic soil with high organic matter content. Good drainage is essential for Chilean Firebush to prevent waterlogging, which leads to root rot and fungal issues.

Feed Chilean Firebush every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established trees 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, acidic soil with high organic matter content. Avoid low spots where water collects after rain.

Chilean Firebush is suited to USDA Zone 12a.

Plant container-grown or balled-and-burlapped trees in spring or early autumn, setting the root flare at soil level, and water well after planting.

Chilean Firebush can spread to about 15 ft (4.6 m) and reach about 30 ft (9 m) tall. Space plants about 15 ft (4.6 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 tree spacing calculator.

Prune Chilean Firebush 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 tree in one year.

Chilean Firebush 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.

Chilean Firebush can be propagated through seeds, cuttings.

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Chilean Firebush is susceptible to aphids, scale insects. 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.

Chilean Firebush grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Chilean Firebush is native to mountainous regions in Peru and Ecuador. In cooler regions, grow Chilean Firebush as a houseplant or bring it indoors before the first frost.