Photo: Mauricio CalderónCC BY 4.0via iNaturalistresized / cropped
Golden Barrel Cactus Plant Care
Mammillaria grusonii Runge
Updated · Sources · How we source care data
Mammillaria grusonii is a cactus in the genus Mammillaria of the family Cactaceae. The epithet grusonii honors the inventor, scientist, industrialist and cacti collector Hermann Gruson of Magdeburg.
Full sun
At a glance
How do you care for Golden Barrel Cactus?
Golden Barrel Cactus grows best in full sun.
What Is the Golden Barrel Cactus?
Golden Barrel Cactus (Mammillaria grusonii) belongs to the Cactaceae family within the Mammillaria genus. Golden Barrel Cactus is also known as Mother-in-Law's Cushion, Golden Ball Cactus.
Golden Barrel Cactus displays a low clumping cactus growth habit, reaching up to tall with a spread of approximately . Golden Barrel Cactus produces small, colorful flowers in shades of pink, red, yellow, or white.
What Light Does the Golden Barrel Cactus Need?
Golden Barrel Cactus thrives in full sun.
Light Requirement
Full sun
What Soil Mix Works Best for a Golden Barrel Cactus?
Sandy, well-draining cactus mix with perlite and coarse sand. Good drainage is essential for Golden Barrel Cactus to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Golden Barrel 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 Golden Barrel Cactus?
Golden Barrel Cactus can be propagated through offsets, seeds. Similar propagation techniques also apply to ladyfinger cactus plant care, which shares the same genus.
Is the Golden Barrel Cactus Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Golden Barrel 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 Golden Barrel Cactus?
Golden Barrel 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.
Keep exploring plants
Golden Barrel 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 Mammillaria genus — compare its care with other Mammillaria species on PlantoScan.
Mammillaria is part of the Cactaceae plant family — browse all Cactaceae genera and species.
Golden Barrel Cactus thrives in bright light and direct sun — see other bright-light plants.
More Mammillaria Species
Other Mammillaria species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Mammillaria grusonii Runge, family Cactaceae (first published in in Gartenflora 38: 105, f. 20. 1889.) — World Flora Online record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Golden Barrel 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.
- Photo: Mauricio Calderón, CC BY 4.0, iNaturalist — original.
- 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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