Tephrocactus alexanderi Plant Care
Tephrocactus alexanderi (Britton & Rose) Backeb.
Updated · Sources · How we source care data
Tephrocactus alexanderi, also known as Tephrocactus geometricus, is a species of cactus under the genus Tephrocactus. It is also classified under the subfamily Opuntioideae.
Full sun
At a glance
How do you care for Tephrocactus alexanderi?
Tephrocactus alexanderi grows best in full sun.
Where Is the Tephrocactus alexanderi Native To?
What Is the Tephrocactus alexanderi?
Tephrocactus alexanderi (Tephrocactus alexanderi) belongs to the Cactaceae family within the Tephrocactus genus. Tephrocactus alexanderi is native to Argentina Catamarca and close to the Bolivian border.
Tephrocactus alexanderi displays a low clumping cactus growth habit, reaching up to tall with a spread of approximately . Tephrocactus alexanderi produces small, colorful flowers in shades of pink, yellow, or orange.
What Light Does the Tephrocactus alexanderi Need?
Tephrocactus alexanderi thrives in full sun.
Light Requirement
Full sun
What Soil Mix Works Best for a Tephrocactus alexanderi?
Sandy, well-draining cactus mix with perlite and coarse sand. Good drainage is essential for Tephrocactus alexanderi to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Tephrocactus alexanderi?
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 Tephrocactus alexanderi?
Tephrocactus alexanderi can be propagated through stem cuttings, grafting. Similar propagation techniques also apply to pinecone cactus plant care, which shares the same genus.
Is the Tephrocactus alexanderi Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Tephrocactus alexanderi, 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 Tephrocactus alexanderi?
Tephrocactus alexanderi 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.
Keep exploring plants
Tephrocactus alexanderi 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 Tephrocactus genus — compare its care with other Tephrocactus species on PlantoScan.
Tephrocactus is part of the Cactaceae plant family — browse all Cactaceae genera and species.
Tephrocactus alexanderi 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: Tephrocactus alexanderi (Britton & Rose) Backeb., family Cactaceae (first published in in Cactus (Paris) 38: 250. 1953.) — World Flora Online record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Tephrocactus alexanderi, 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.
- 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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