Melocactus paucispinus Plant Care
Melocactus paucispinus Heimen & R.Raul
Updated · Sources · How we source care data
Melocactus paucispinus is a species of cactus. It is endemic to Brazil, where it is known only from Bahia.
Every 14–21 days
Full sun
60–85°F
20–50%
At a glance
How do you care for Melocactus paucispinus?
Water Melocactus paucispinus every 14–21 days, letting the top layer of soil dry out between waterings, and give it full sun. It prefers temperatures of 60–85°F (16–29°C) and 20–50% humidity. Fertilize it every 8 months during the growing season.
Where Is the Melocactus paucispinus Native To?
What Is the Melocactus paucispinus?
Melocactus paucispinus (Melocactus paucispinus) belongs to the Cactaceae family within the Melocactus genus. Melocactus paucispinus is native to Brazil.
Melocactus paucispinus displays a solitary or clustering globular stems growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Melocactus paucispinus produces pink to red flowers that emerge from the top of the plant.
How Often Should You Water a Melocactus paucispinus?
Melocactus paucispinus 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 Melocactus paucispinus Need?
Melocactus paucispinus thrives in full sun.
Light Requirement
Full sun
What Temperature and Humidity Does the Melocactus paucispinus Prefer?
Melocactus paucispinus grows best at temperatures of 60–85°F. Melocactus paucispinus prefers humidity levels of 20–50%.
Temperature
60–85°F
Humidity
20–50%
What Soil Mix Works Best for a Melocactus paucispinus?
Sandy, well-draining cactus mix with perlite and coarse sand. Good drainage is essential for Melocactus paucispinus to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Melocactus paucispinus?
Feed Melocactus paucispinus every 8 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 8 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 Melocactus paucispinus?
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 Melocactus paucispinus?
Melocactus paucispinus can be propagated through seeds, offsets.
Is the Melocactus paucispinus Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Melocactus paucispinus, 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 Melocactus paucispinus?
Melocactus paucispinus 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 Melocactus paucispinus Need?
Melocactus paucispinus grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Melocactus paucispinus is native to Brazil. In cooler regions, grow Melocactus paucispinus as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Melocactus paucispinus 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 Melocactus genus (family Cactaceae) — search all Melocactus species in the plant lookup.
Melocactus paucispinus 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: Melocactus paucispinus Heimen & R.Raul, family Cactaceae (first published in in Kakteen And. Sukk. 34: 227–229. 1983.) — World Flora Online record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Melocactus paucispinus, 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 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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