Six-angled Kalanchoe (Kalanchoe sexangularis)

Photo: Ryan van HuyssteenCC BY 4.0via iNaturalistresized / cropped

Six-angled Kalanchoe Plant Care

Kalanchoe sexangularis N.E.Br.

Updated · Sources · How we source care data

With its distinctive six-sided leaf shape and fuzzy texture, this succulent hails from the rocky hillsides of Madagascar. Plant collectors are drawn to its unique appearance and ability to bloom vibrant orange flowers, adding a pop of color to any collection.

🪴Houseplants🌵Succulents
Water

Every 7–14 days

Light

Bright indirect to full sun

Temp

60–85°F

Humidity

30–60%

At a glance

How do you care for Six-angled Kalanchoe?

Water Six-angled Kalanchoe every 7–14 days, letting the top layer of soil dry out between waterings, and give it bright indirect to full sun. It prefers temperatures of 60–85°F (16–29°C) and 30–60% humidity. Fertilize it every 6 months during the growing season. It is reported as toxic to pets, so keep it out of reach of pets.

Where Is the Six-angled Kalanchoe Native To?

Native range10 countries

What Is the Six-angled Kalanchoe?

Six-angled Kalanchoe (Kalanchoe sexangularis) belongs to the Crassulaceae family within the Kalanchoe genus. Six-angled Kalanchoe is native to Southern Africa.

Six-angled Kalanchoe displays a compact, bushy succulent growth habit, reaching up to 1 ft tall with a spread of approximately 1 ft. Six-angled Kalanchoe produces small, colorful clusters of tubular flowers.

Leaf size: approximately 3 inches.

How Often Should You Water a Six-angled Kalanchoe?

Kalanchoe sexangularis requires watering every 7–14 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 7–14 days

Let soil partially dry between waterings

What Light Does the Six-angled Kalanchoe Need?

Six-angled Kalanchoe thrives in bright indirect to full sun. Avoid placing Six-angled Kalanchoe in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Bright indirect to full sun

What Temperature and Humidity Does the Six-angled Kalanchoe Prefer?

Kalanchoe sexangularis grows best at temperatures of 60–85°F. Six-angled Kalanchoe prefers humidity levels of 30–60%.

Temperature

60–85°F

Humidity

30–60%

What Soil Mix Works Best for a Six-angled Kalanchoe?

Well-draining succulent mix with perlite and sand. Good drainage is essential for Six-angled Kalanchoe to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Six-angled Kalanchoe?

Feed Six-angled Kalanchoe 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 Six-angled Kalanchoe?

Repot every 1-2 years in 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 Six-angled Kalanchoe?

Six-angled Kalanchoe can be propagated through stem cuttings, leaf cuttings, offsets. Similar propagation techniques also apply to kalanchoe plant care, which shares the same genus.

Is the Six-angled Kalanchoe Toxic to Pets and Children?

Toxic (caution)

Reported as toxic in our plant data. Not verified by the ASPCA.

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 Six-angled Kalanchoe?

Six-angled Kalanchoe is susceptible to aphids, 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 Six-angled Kalanchoe Need?

Six-angled Kalanchoe grows outdoors in USDA Zone 9b – 11b. It survives winters down to planting zone 9b. Six-angled Kalanchoe is native to Southern Africa. In cooler regions, grow Six-angled Kalanchoe as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 9b – 11b

Keep exploring plants

Six-angled Kalanchoe 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 Kalanchoe genus — compare its care with other Kalanchoe species on PlantoScan.

Kalanchoe is part of the Crassulaceae plant family — browse all Crassulaceae genera and species.

Six-angled Kalanchoe thrives in bright light and direct sun — see other bright-light plants.

More Kalanchoe Species

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

Sources

  • Scientific name & taxonomy: Kalanchoe sexangularis N.E.Br., family Crassulaceae (first published in Bull. Misc. Inform. Kew 1913: 120 (1913)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Six-angled Kalanchoe is reported as toxic to pets in our plant data (not verified by the ASPCA), so treat it with caution. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
  • Photo: Ryan van Huyssteen, 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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