Slender Twig Rush Plant Care

Slender Twig Rush (Leptocarpus tenax) belongs to the Restionaceae family within the Leptocarpus genus. Slender Twig Rush is native to many moist parts of eastern and southern Australia and often seen growing from 50 to 130 cm tall, with stems 1 to 2 mm in diameter.

Slender Twig Rush displays a clumping, upright grass-like growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Slender Twig Rush produces small inconspicuous flowers.

Leaf size: approximately 12 inches.

Water a young or newly planted Slender Twig Rush 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.

Slender Twig Rush thrives in full sun to partial shade.

Leptocarpus tenax tolerates temperatures of 50–80°F. Slender Twig Rush prefers humidity levels of 40–70%.

Well-draining sandy soil mix with high organic content. Good drainage is essential for Slender Twig Rush to prevent waterlogging, which leads to root rot and fungal issues.

Feed Slender Twig Rush 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 soil mix with high organic content. Avoid low spots where water collects after rain.

Slender Twig Rush 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.

Slender Twig Rush can spread to about 2 ft (0.6 m) and reach about 3 ft (1 m) tall. Space plants about 2 ft (0.6 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 plant spacing calculator.

Prune Slender Twig Rush 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.

Slender Twig Rush 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.

Slender Twig Rush can be propagated through division, seeds. Similar propagation techniques also apply to leptocarpus coangustatus plant care, which shares the same genus.

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

Slender Twig Rush is susceptible to mealybugs, 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.

Slender Twig Rush grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Slender Twig Rush is native to many moist parts of eastern and southern Australia and often seen growing from 50 to 130 cm tall, with stems 1 to 2 mm in diameter. In cooler regions, grow Slender Twig Rush as a houseplant or bring it indoors before the first frost.