Chilean Torch (Eulychnia acida)

Photo: Cesar OrmazabalCC BY 4.0via iNaturalistresized / cropped

Chilean Torch Plant Care

Eulychnia acida Phil.

Updated · Sources · How we source care data

Eulychnia acida, also known as the "Chin cactus," is a unique cactus species known for its distinctive columnar growth habit with ribbed stems and spines. It is native to the coastal regions of Chile, where it thrives in dry and arid conditions.

🌵Succulents🌵Cacti
Water

Every 14–21 days

Light

Full sun

Temp

50–90°F

Humidity

10–40%

At a glance

How do you care for Chilean Torch?

Water Chilean Torch every 14–21 days, letting the top layer of soil dry out between waterings, and give it full sun. It prefers temperatures of 50–90°F (10–32°C) and 10–40% humidity. Fertilize it every 8 months during the growing season.

Where Is the Chilean Torch Native To?

Native range1 country

What Is the Chilean Torch?

Chilean Torch (Eulychnia acida) belongs to the Cactaceae family within the Eulychnia genus. Chilean Torch is native to Chile.

Chilean Torch displays a columnar cactus growth habit, reaching up to 10 ft tall with a spread of approximately 2 ft. Chilean Torch produces large white nocturnal blooms.

Leaf size: approximately 3 inches.

How Often Should You Water a Chilean Torch?

Eulychnia acida requires watering every 14–21 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 14–21 days

Let soil partially dry between waterings

What Light Does the Chilean Torch Need?

Chilean Torch thrives in full sun.

Light Requirement

Full sun

What Temperature and Humidity Does the Chilean Torch Prefer?

Eulychnia acida grows best at temperatures of 50–90°F. Chilean Torch prefers humidity levels of 10–40%.

Temperature

50–90°F

Humidity

10–40%

What Soil Mix Works Best for a Chilean Torch?

Sandy, well-draining cactus mix with perlite and coarse sand. Good drainage is essential for Chilean Torch to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Chilean Torch?

Feed Chilean Torch every 8 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 8 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 Chilean Torch?

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 Chilean Torch?

Chilean Torch can be propagated through seeds, offsets, stem cuttings. Similar propagation techniques also apply to chilean torch cactus plant care, which shares the same genus.

Is the Chilean Torch Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Chilean Torch, 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 Chilean Torch?

Chilean Torch is susceptible to scale insects, 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.

What USDA Hardiness Zone Does the Chilean Torch Need?

Chilean Torch grows outdoors in USDA Zone 9b – 11b. It survives winters down to planting zone 9b. Chilean Torch is native to Chile. In cooler regions, grow Chilean Torch as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 9b – 11b

Keep exploring plants

Chilean Torch 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 Eulychnia genus — compare its care with other Eulychnia species on PlantoScan.

Eulychnia is part of the Cactaceae plant family — browse all Cactaceae genera and species.

Chilean Torch 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: Eulychnia acida Phil., family Cactaceae (first published in in Linnaea 33: 80. 1864.) — World Flora Online record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Chilean Torch, 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: Cesar Ormazabal, CC BY 4.0, iNaturalist — original.
  • Hardiness zone: USDA Zone 9b – 11b, estimated from the plant's typical growing conditions.
  • 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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