Trithuria brevistyla Plant Care

Trithuria brevistyla (Trithuria brevistyla) belongs to the Hydatellaceae family within the Trithuria genus. Trithuria brevistyla is native to the South Island of New Zealand.

Trithuria brevistyla displays a low rosette, spreading growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Trithuria brevistyla produces tiny inconspicuous flowers.

Leaf size: approximately 1 inches.

Water a young or newly planted Trithuria brevistyla 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.

Trithuria brevistyla thrives in full sun to partial shade.

Trithuria brevistyla tolerates temperatures of 60–80°F. Trithuria brevistyla prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Sandy, loamy soil with good drainage. Good drainage is essential for Trithuria brevistyla to prevent waterlogging, which leads to root rot and fungal issues.

Feed Trithuria brevistyla 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 sandy, loamy soil with good drainage. Avoid low spots where water collects after rain.

Trithuria brevistyla is suited to USDA Zone 8a – 9b.

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.

Trithuria brevistyla 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 Trithuria brevistyla 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.

Trithuria brevistyla is hardy down to USDA zone 8a, so once established it can stay outdoors through winter in that zone and warmer ones.

Water deeply in late autumn before the ground freezes, and spread a 5–8 cm (2–3 in) layer of mulch over the root zone, keeping it away from the trunk.

Young and container-grown shrubs need extra protection: roots in a pot freeze much more easily than roots in the ground.

Trithuria brevistyla can be propagated through division, seeds. Similar propagation techniques also apply to slender mudmat plant care, which shares the same genus.

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

Trithuria brevistyla is susceptible to aphids, 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.

Trithuria brevistyla grows outdoors in USDA Zone 8a – 9b. It survives winters down to planting zone 8a. Trithuria brevistyla is native to the South Island of New Zealand.