Slender Toothpick Cactus Plant Care

Harrisia gracilis (Mill.) Britton

Updated · Sources · How we source care data

Harrisia gracilis is a species of cactus found in Jamaica.

🌵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 Slender Toothpick Cactus?

Water Slender Toothpick Cactus 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 Slender Toothpick Cactus Native To?

Native range1 country

What Is the Slender Toothpick Cactus?

Slender Toothpick Cactus (Harrisia gracilis) belongs to the Cactaceae family within the Harrisia genus. Slender Toothpick Cactus is native to Jamaica. Slender Toothpick Cactus is also known as Climbing Cactus.

Slender Toothpick Cactus displays a columnar, branching cactus growth habit, reaching up to 6 ft tall with a spread of approximately 2 ft. Slender Toothpick Cactus produces large white nocturnal blooms.

How Often Should You Water a Slender Toothpick Cactus?

Harrisia gracilis 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 Slender Toothpick Cactus Need?

Slender Toothpick Cactus thrives in full sun.

Light Requirement

Full sun

What Temperature and Humidity Does the Slender Toothpick Cactus Prefer?

Harrisia gracilis grows best at temperatures of 50–90°F. Slender Toothpick Cactus prefers humidity levels of 10–40%.

Temperature

50–90°F

Humidity

10–40%

What Soil Mix Works Best for a Slender Toothpick Cactus?

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

How Often Should You Fertilize a Slender Toothpick Cactus?

Feed Slender Toothpick 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 Slender Toothpick 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 Slender Toothpick Cactus?

Slender Toothpick Cactus can be propagated through stem cuttings, offsets. Similar propagation techniques also apply to earle's cereus plant care, which shares the same genus.

Is the Slender Toothpick Cactus Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Slender Toothpick 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 Slender Toothpick Cactus?

Slender Toothpick Cactus is susceptible to spider mites, scale insects. 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 Slender Toothpick Cactus Need?

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

Hardiness Zone

Zone 12a

Keep exploring plants

Slender Toothpick 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 Harrisia genus — compare its care with other Harrisia species on PlantoScan.

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

Slender Toothpick Cactus thrives in bright light and direct sun — see other bright-light plants.

More Harrisia Species

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

Sources

  • Scientific name & taxonomy: Harrisia gracilis (Mill.) Britton, family Cactaceae (first published in in Bull. Torrey Bot. Club 35: 563. 1908.) — World Flora Online record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Slender Toothpick 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.
  • 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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