Achyrophorus brasiliensis (Achyrophorus chillensis)

Photo: Matthias BuchmeierCC BY-SA 3.0via Wikimedia Commonsresized / cropped

Achyrophorus brasiliensis Plant Care

Achyrophorus chillensis (Kunth) Sch.Bip.

Updated · Sources · How we source care data

Hypochaeris chillensis (sometimes spelled Hypochoeris) also known as Brazilian cat's ear is a species of flowering plant in the family Asteraceae. It is native to South America (Argentina, Bolivia, Chile, Paraguay, Brazil, Uruguay) but has become naturalized in parts of North America, South Africa. and Taiwan. It is a common and widespread weed in the Southeast United States.

🌱Herbs🌼Perennials🌻Annuals
Water

Every 7–10 days

Light

Full sun to partial shade

Temp

50–80°F

Humidity

40–70%

At a glance

How do you care for Achyrophorus brasiliensis?

Water Achyrophorus brasiliensis every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–80°F (10–27°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.

Where Is the Achyrophorus brasiliensis Native To?

Native range13 countries

What Is the Achyrophorus brasiliensis?

Achyrophorus brasiliensis (Achyrophorus chillensis) belongs to the Asteraceae family within the Achyrophorus genus. Achyrophorus brasiliensis is native to South America. Achyrophorus brasiliensis is also known as Achyrophorus chillensis, Achyrophorus sellowii, Apargia chillensis.

Achyrophorus brasiliensis displays an upright, clumping perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Achyrophorus brasiliensis produces small daisy-like yellow flowers in clusters.

Leaf size: approximately 4 inches.

How Often Should You Water a Achyrophorus brasiliensis?

Achyrophorus chillensis requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.

Watering Frequency

Every 7–10 days

Let soil partially dry between waterings

What Light Does the Achyrophorus brasiliensis Need?

Achyrophorus brasiliensis thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Achyrophorus brasiliensis Prefer?

Achyrophorus chillensis grows best at temperatures of 50–80°F. Achyrophorus brasiliensis prefers humidity levels of 40–70%.

Temperature

50–80°F

Humidity

40–70%

What Soil Mix Works Best for a Achyrophorus brasiliensis?

Well-draining sandy soil with added organic matter for Achyrophorus. Good drainage is essential for Achyrophorus brasiliensis to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Achyrophorus brasiliensis?

Feed Achyrophorus brasiliensis every 6 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.

Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.

Fertilizing

Every 6 months

During the growing season

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

How Do You Repot a Achyrophorus brasiliensis?

Repot every 2-3 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.

How Do You Propagate a Achyrophorus brasiliensis?

Achyrophorus brasiliensis can be propagated through seeds, division of offsets.

Is the Achyrophorus brasiliensis Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Achyrophorus brasiliensis, 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 Achyrophorus brasiliensis?

Achyrophorus brasiliensis 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.

What USDA Hardiness Zone Does the Achyrophorus brasiliensis Need?

Achyrophorus brasiliensis grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Achyrophorus brasiliensis is native to South America. In cooler regions, grow Achyrophorus brasiliensis as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Achyrophorus brasiliensis 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 Achyrophorus genus (family Asteraceae) — search all Achyrophorus species in the plant lookup.

Achyrophorus brasiliensis thrives in bright light and direct sun — see other bright-light plants.

Related Plant Care Guides

Closely related plants with similar care requirements:

Sources

  • Scientific name & taxonomy: Achyrophorus chillensis (Kunth) Sch.Bip., family Asteraceae (first published in Nov. Actorum Acad. Caes. Leop.-Carol. Nat. Cur. 21(1): 104 (1845)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Achyrophorus brasiliensis, 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.
  • Photo: Matthias Buchmeier, CC BY-SA 3.0, Wikimedia Commons — original.
  • Hardiness zone: USDA Zone 12a, 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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