Slade's Aloe Plant Care
Gonialoe sladeniana (Pole-Evans) Boatwr. & J.C.Manning
Updated · Sources · How we source care data
Gonialoe sladeniana is a species of plant in the genus Gonialoe. It is endemic to arid areas of central Namibia.
Every 14–21 days
Full sun to partial shade
50–85°F
30–60%
At a glance
How do you care for Slade's Aloe?
Water Slade's Aloe every 14–21 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–85°F (10–29°C) and 30–60% humidity. Fertilize it every 6 months during the growing season.
Where Is the Slade's Aloe Native To?
What Is the Slade's Aloe?
Slade's Aloe (Gonialoe sladeniana) belongs to the Asphodelaceae family within the Gonialoe genus. Slade's Aloe is native to arid areas of central Namibia.
Slade's Aloe displays a low rosette, clumping succulent growth habit, reaching up to 1.5 ft tall with a spread of approximately 1.5 ft. Slade's Aloe produces tubular orange or red flowers on tall stalks.
Leaf size: approximately 12 inches.
How Often Should You Water a Slade's Aloe?
Gonialoe sladeniana 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 Slade's Aloe Need?
Slade's Aloe thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Slade's Aloe Prefer?
Gonialoe sladeniana grows best at temperatures of 50–85°F. Slade's Aloe prefers humidity levels of 30–60%.
Temperature
50–85°F
Humidity
30–60%
What Soil Mix Works Best for a Slade's Aloe?
Sandy, well-draining soil mix with perlite and gravel. Good drainage is essential for Slade's Aloe to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Slade's Aloe?
Feed Slade's Aloe 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 Slade's Aloe?
Repot every 2-3 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 Slade's Aloe?
Slade's Aloe can be propagated through offsets, division, seeds. Similar propagation techniques also apply to dinter's aloe plant care, which shares the same genus.
Is the Slade's Aloe Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Slade's Aloe, 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 Slade's Aloe?
Slade's Aloe is susceptible to aphids, 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 Slade's Aloe Need?
Slade's Aloe grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Slade's Aloe is native to arid areas of central Namibia. In cooler regions, grow Slade's Aloe as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Slade's Aloe 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 Gonialoe genus — compare its care with other Gonialoe species on PlantoScan.
Gonialoe is part of the Asphodelaceae plant family — browse all Asphodelaceae genera and species.
Slade's Aloe 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: Gonialoe sladeniana (Pole-Evans) Boatwr. & J.C.Manning, family Asphodelaceae (first published in Syst. Bot. 39: 69 (2014)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Slade's Aloe, 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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