Photo: Josh BaryiaCC BY 4.0via iNaturalistresized / cropped
Spiny Pincushion Cactus Plant Care
Mammillaria spinosissima Lem.
Updated · Sources · How we source care data
Mammillaria spinosissima is a small cactus known for its dense covering of white spines, giving it a fluffy appearance. Originating from Mexico, this plant is popular among enthusiasts for its unique texture and compact size.
Every 7–14 days
Full sun
60–80°F
30–50%
At a glance
How do you care for Spiny Pincushion Cactus?
Water Spiny Pincushion Cactus every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun. It prefers temperatures of 60–80°F (16–27°C) and 30–50% humidity. Fertilize it every month during the growing season.
Where Is the Spiny Pincushion Cactus Native To?
What Is the Spiny Pincushion Cactus?
Spiny Pincushion Cactus (Mammillaria spinosissima) belongs to the Cactaceae family within the Mammillaria genus. Spiny Pincushion Cactus is native to the central Mexican states of Guerrero and Morelos. Spiny Pincushion Cactus is also known as Red Pincushion Cactus.
Spiny Pincushion Cactus displays a low clumping cactus growth habit, reaching up to tall with a spread of approximately 1 ft. Spiny Pincushion Cactus produces small, colorful flowers in shades of pink, red, yellow, or white.
Leaf size: approximately 2 inches.
How Often Should You Water a Spiny Pincushion Cactus?
Mammillaria spinosissima 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 Spiny Pincushion Cactus Need?
Spiny Pincushion Cactus thrives in full sun.
Light Requirement
Full sun
What Temperature and Humidity Does the Spiny Pincushion Cactus Prefer?
Mammillaria spinosissima grows best at temperatures of 60–80°F. Spiny Pincushion Cactus prefers humidity levels of 30–50%.
Temperature
60–80°F
Humidity
30–50%
What Soil Mix Works Best for a Spiny Pincushion Cactus?
Sandy, well-draining cactus mix with perlite and coarse sand. Good drainage is essential for Spiny Pincushion Cactus to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Spiny Pincushion Cactus?
Feed Spiny Pincushion Cactus every month 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 month
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Spiny Pincushion 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 Spiny Pincushion Cactus?
Spiny Pincushion Cactus can be propagated through offsets, seeds. Similar propagation techniques also apply to ladyfinger cactus plant care, which shares the same genus.
Is the Spiny Pincushion Cactus Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Spiny Pincushion 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 Spiny Pincushion Cactus?
Spiny Pincushion 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.
What USDA Hardiness Zone Does the Spiny Pincushion Cactus Need?
Spiny Pincushion Cactus grows outdoors in USDA Zone 9a – 11b. It survives winters down to planting zone 9a. Spiny Pincushion Cactus is native to the central Mexican states of Guerrero and Morelos. In cooler regions, grow Spiny Pincushion Cactus as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 9a – 11b
Keep exploring plants
Spiny Pincushion 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.
Spiny Pincushion 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 spinosissima Lem., family Cactaceae (first published in Cact. Aliq. Nov. 1: 4. 1838.) — World Flora Online record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Spiny Pincushion 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: Josh Baryia, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 9a – 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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