Kalanchoe mortagei Plant Care
Kalanchoe mortagei Raym.-Hamet & H.Perrier
Updated · Sources · How we source care data
Kalanchoe mortagei is a species of Kalanchoe native to northern Madagascar. It is very similar to K.
Every 7–14 days
Bright indirect to full sun
60–85°F
30–60%
At a glance
How do you care for Kalanchoe mortagei?
Water Kalanchoe mortagei 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 Kalanchoe mortagei Native To?
What Is the Kalanchoe mortagei?
Kalanchoe mortagei (Kalanchoe mortagei) belongs to the Crassulaceae family within the Kalanchoe genus. Kalanchoe mortagei is native to northern Madagascar.
Kalanchoe mortagei displays a compact, bushy succulent growth habit, reaching up to 1 ft tall with a spread of approximately 1 ft. Kalanchoe mortagei produces small, colorful clusters of tubular flowers.
Leaf size: approximately 3 inches.
How Often Should You Water a Kalanchoe mortagei?
Kalanchoe mortagei 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 Kalanchoe mortagei Need?
Kalanchoe mortagei thrives in bright indirect to full sun. Avoid placing Kalanchoe mortagei 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 Kalanchoe mortagei Prefer?
Kalanchoe mortagei grows best at temperatures of 60–85°F. Kalanchoe mortagei prefers humidity levels of 30–60%.
Temperature
60–85°F
Humidity
30–60%
What Soil Mix Works Best for a Kalanchoe mortagei?
Well-draining succulent mix with perlite and sand. Good drainage is essential for Kalanchoe mortagei to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Kalanchoe mortagei?
Feed Kalanchoe mortagei 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 Kalanchoe mortagei?
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 Kalanchoe mortagei?
Kalanchoe mortagei 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 Kalanchoe mortagei 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 Kalanchoe mortagei?
Kalanchoe mortagei 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 Kalanchoe mortagei Need?
Kalanchoe mortagei grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Kalanchoe mortagei is native to northern Madagascar. In cooler regions, grow Kalanchoe mortagei as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Kalanchoe mortagei 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.
Kalanchoe mortagei 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 mortagei Raym.-Hamet & H.Perrier, family Crassulaceae (first published in Bull. Soc. Bot. France 95: 120 (1948)) — World Flora Online record, IPNI name record.
- Pet toxicity: Kalanchoe mortagei 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.
- 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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