Tetrodontium repandum Plant Care

Tetrodontium repandum (Tetrodontium repandum) belongs to the Tetraphidaceae family within the Tetrodontium genus. Tetrodontium repandum is native to subalpine regions of the Northern Hemisphere.

Tetrodontium repandum displays a low rosette, spreading growth habit, reaching up to 0.5 ft tall with a spread of approximately 0.5 ft. Tetrodontium repandum produces tiny, inconspicuous flowers.

Leaf size: approximately 0.5 inches.

Water a young or newly planted Tetrodontium repandum every 3–5 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.

Tetrodontium repandum thrives in low to medium indirect light. The optimal light range is 50–250 lux. Avoid placing Tetrodontium repandum in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Tetrodontium repandum tolerates temperatures of 50–75°F. Tetrodontium repandum prefers humidity levels of 40–70%.

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

Feed Tetrodontium repandum every 8 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 low to medium indirect light and moist, well-draining soil with high organic content. Avoid low spots where water collects after rain.

Tetrodontium repandum 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.

Tetrodontium repandum can spread to about 1 ft (0.2 m) and reach about 1 ft (0 m) tall. Space plants about 1 ft (0.2 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 Tetrodontium repandum 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.

Tetrodontium repandum 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.

Tetrodontium repandum can be propagated through spores, division of clumps. Similar propagation techniques also apply to brown's tetrodontium moss plant care, which shares the same genus.

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

Tetrodontium repandum is susceptible to fungal diseases, slugs. 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.

Tetrodontium repandum grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Tetrodontium repandum is native to subalpine regions of the Northern Hemisphere. In cooler regions, grow Tetrodontium repandum as a houseplant or bring it indoors before the first frost.