Wooly torch cactus (Weberocereus tunilla)

Image: AI generated

Wooly torch cactus Plant Care

Weberocereus tunilla (F.A.C.Weber) Britton & Rose

Updated · Sources · How we source care data

This plant is known for its long, slender stems covered in golden-yellow spines, giving it a unique appearance. Originating from the Andes mountains of South America, plant collectors are drawn to its striking silvery-gray coloration and ability to thrive in dry, desert-like conditions.

🌵Succulents🌵Cacti
Water

Every 14–21 days

Light

Full sun

Temp

60–90°F

Humidity

10–40%

At a glance

How do you care for Wooly torch cactus?

Water Wooly torch cactus every 14–21 days, letting the top layer of soil dry out between waterings, and give it full sun. It prefers temperatures of 60–90°F (16–32°C) and 10–40% humidity. Fertilize it every 8 months during the growing season.

Where Is the Wooly torch cactus Native To?

Native range3 countries

What Is the Wooly torch cactus?

Wooly torch cactus (Weberocereus tunilla) belongs to the Cactaceae family within the Weberocereus genus. Wooly torch cactus is native to Costa Rica, Nicaragua and Panama. Wooly torch cactus is also known as Woolly torch, Firestick cactus.

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

Leaf size: approximately 4 inches.

How Often Should You Water a Wooly torch cactus?

Weberocereus tunilla 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 Wooly torch cactus Need?

Wooly torch cactus thrives in full sun.

Light Requirement

Full sun

What Temperature and Humidity Does the Wooly torch cactus Prefer?

Weberocereus tunilla grows best at temperatures of 60–90°F. Wooly torch cactus prefers humidity levels of 10–40%.

Temperature

60–90°F

Humidity

10–40%

What Soil Mix Works Best for a Wooly torch cactus?

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

How Often Should You Fertilize a Wooly torch cactus?

Feed Wooly torch cactus 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 Wooly torch cactus?

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 Wooly torch cactus?

Wooly torch cactus can be propagated through stem cuttings, grafting. Similar propagation techniques also apply to false easter lily cactus plant care, which shares the same genus.

Is the Wooly torch cactus Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Wooly torch cactus, 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 Wooly torch cactus?

Wooly torch cactus is susceptible to spider mites, scale insects, mealybugs. 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 Wooly torch cactus Need?

Wooly torch cactus grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Wooly torch cactus is native to Costa Rica, Nicaragua and Panama. In cooler regions, grow Wooly torch cactus as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13a

Keep exploring plants

Wooly torch cactus 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 Weberocereus genus — compare its care with other Weberocereus species on PlantoScan.

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

Wooly torch cactus 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: Weberocereus tunilla (F.A.C.Weber) Britton & Rose, family Cactaceae (first published in in Contr. U.S. Natl. Herb. 12: 432. 1909.) — World Flora Online record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Wooly torch cactus, 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: AI-generated illustration (labelled on the image).
  • 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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