Gnephosis tridens Plant Care

Gnephosis tridens (P.S.Short) P.S.Short

Updated · Sources · How we source care data

Gnephosis tridens is a species of flowering plant in the family Asteraceae and is endemic to the south-west of Western Australia. It is a small, erect, annual herb with linear, elliptic, lance-shaped or egg-shaped leaves at the base of the plant, compound heads of 50 to 250 yellow flowers, and oval, purplish cypselas.

🌱Herbs🌼Perennials🌻Annuals
Water

Every 7–10 days

Light

Full sun to partial shade

Temp

60–80°F

Humidity

40–70%

At a glance

How do you care for Gnephosis tridens?

Plant Gnephosis tridens in full sun to partial shade (USDA zones 13a) and water a young shrub every 7–10 days until it is established. It tolerates temperatures of 60–80°F (16–27°C). Fertilize it every 6 months during the growing season.

Where Is the Gnephosis tridens Native To?

Native range1 country

What Is the Gnephosis tridens?

Gnephosis tridens (Gnephosis tridens) belongs to the Asteraceae family within the Gnephosis genus. Gnephosis tridens is native to the south-west of Western Australia.

Gnephosis tridens displays a low rosette, spreading ground cover growth habit, reaching up to 0.5 ft tall with a spread of approximately 1.5 ft. Gnephosis tridens produces small daisy-like flowers in shades of white, pink, or purple.

Leaf size: approximately 2 inches.

How Often Should You Water a Gnephosis tridens?

Water a young or newly planted Gnephosis tridens 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.

Watering Frequency

Every 7–10 days

Until established; then in dry spells

What Light Does the Gnephosis tridens Need?

Gnephosis tridens thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Gnephosis tridens Prefer?

Gnephosis tridens tolerates temperatures of 60–80°F. Gnephosis tridens prefers humidity levels of 40–70%.

Temperature

60–80°F

Humidity

40–70%

What Soil Mix Works Best for a Gnephosis tridens?

Well-draining sandy loam with added organic matter for moisture retention. Good drainage is essential for Gnephosis tridens to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Gnephosis tridens?

Feed Gnephosis tridens 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.

Fertilizing

Every 6 months

During the growing season

The PlantoScan app can remind you when to water and when to fertilize each plant.

Where Should You Plant a Gnephosis tridens?

Choose a spot with full sun to partial shade and well-draining sandy loam with added organic matter for moisture retention. Avoid low spots where water collects after rain.

Gnephosis tridens is suited to USDA Zone 13a.

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.

How Far Apart Should You Plant a Gnephosis tridens?

Gnephosis tridens can spread to about 2 ft (0.5 m) and reach about 1 ft (0 m) tall. Space plants about 2 ft (0.5 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.

How Do You Prune a Gnephosis tridens?

Prune Gnephosis tridens 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.

How Do You Care for a Gnephosis tridens in Winter?

Gnephosis tridens 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.

How Do You Propagate a Gnephosis tridens?

Gnephosis tridens can be propagated through seeds, division of clumps. Similar propagation techniques also apply to needle-leaf gnephosis plant care, which shares the same genus.

Is the Gnephosis tridens Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Gnephosis tridens, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.

This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.

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

What Pests and Diseases Affect the Gnephosis tridens?

Gnephosis tridens is susceptible to aphids, spider mites, whiteflies. 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.

What USDA Hardiness Zone Does the Gnephosis tridens Need?

Gnephosis tridens grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Gnephosis tridens is native to the south-west of Western Australia. In cooler regions, grow Gnephosis tridens as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13a

Keep exploring plants

Gnephosis tridens is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.

It belongs to the Gnephosis genus — compare its care with other Gnephosis species on PlantoScan.

Gnephosis is part of the Asteraceae plant family — browse all Asteraceae genera and species.

Gnephosis tridens thrives in bright light and direct sun — see other bright-light plants.

More Gnephosis Species

Other Gnephosis species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Sources

  • Scientific name & taxonomy: Gnephosis tridens (P.S.Short) P.S.Short, family Asteraceae (first published in Muelleria 6(5): 318 (1987)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Gnephosis tridens, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
  • Hardiness zone: USDA Zone 13a, calculated from the plant's minimum temperature.
  • Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.

Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.

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