Neurocalyx calycinus Plant Care

Neurocalyx calycinus (Neurocalyx calycinus) belongs to the Rubiaceae family within the Neurocalyx genus. Neurocalyx calycinus is native to India and Sri Lanka.

Neurocalyx calycinus displays a compact, bushy shrub growth habit, reaching up to 2.5 ft tall with a spread of approximately 2.5 ft. Neurocalyx calycinus produces small, white, fragrant flowers in clusters.

Leaf size: approximately 4 inches.

Water a young or newly planted Neurocalyx calycinus 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.

Neurocalyx calycinus thrives in bright indirect light. Avoid placing Neurocalyx calycinus in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Neurocalyx calycinus tolerates temperatures of 65–80°F. Neurocalyx calycinus prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

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

Feed Neurocalyx calycinus 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 bright indirect light and well-draining, acidic soil with high organic matter content. Avoid low spots where water collects after rain.

Neurocalyx calycinus is suited to USDA Zone 13b.

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.

Neurocalyx calycinus can spread to about 3 ft (0.8 m) and reach about 3 ft (1 m) tall. Space plants about 3 ft (0.8 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 Neurocalyx calycinus 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.

Neurocalyx calycinus is frost-tender (hardy to USDA zone 13). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.

Neurocalyx calycinus can be propagated through seeds, stem cuttings.

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Neurocalyx calycinus is susceptible to aphids, scale insects, 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.

Neurocalyx calycinus grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Neurocalyx calycinus is native to India and Sri Lanka. In cooler regions, grow Neurocalyx calycinus as a houseplant or bring it indoors before the first frost.