Special Web Offer - Get 50% OFF!
Grab Your Deal Now
PlantSnap
Plant Care
Graham's nipple cactus
(Mammillaria grahamii)
Also Known As
Graham's nipple cactus, Graham's mammillaria, Pincushion cactus
About This Plant
Mammillaria grahamii is a cactus species with cylindrical stems that grow up to 6 inches (15 cm) tall and 2 inches (5 cm) in diameter. The stems have prominent tubercles with white woolly areoles that bear 1-3 central spines and 20-30 radial spines. It produces small pink flowers in spring and summer.
Plant Care Instructions
Outdoor Size Range
Up to 6 inches (15 cm) tall and 2 inches (5 cm) in diameter
Light Requirements
Mammillaria grahamii requires bright, direct sunlight for at least 6 hours a day. It can tolerate partial shade but may not flower as well.
Humidity Needs
Mammillaria grahamii prefers low humidity levels and can tolerate dry air.
Fertilizing Schedule
Fertilize Mammillaria grahamii once a month during the growing season with a cactus fertilizer. Do not fertilize in winter.
Pruning Guidelines
Mammillaria grahamii does not require pruning, but you can remove any dead or damaged stems with a clean, sharp knife.
Common Pests and Diseases
Common pests for Mammillaria grahamii include spider mites, mealybugs, and scale insects. It is also susceptible to fungal diseases.
Indoor Size Range
Not suitable for indoor growth
Watering Schedule
Water Mammillaria grahamii when the soil is completely dry. During the growing season, water once a week, and reduce watering in winter.
Temperature Range
Mammillaria grahamii prefers warm temperatures between 70-90°F (21-32°C) during the growing season and cooler temperatures between 50-55°F (10-13°C) in winter.
Growing Season
Mammillaria grahamii grows actively in spring and summer.
Growing Difficulty Level
Mammillaria grahamii is easy to grow and care for, making it a great choice for beginners.
USDA Hardiness Zones
Mammillaria grahamii is hardy in USDA zones 9b to 11b.
Did You Know?
The name 'Mammillaria' comes from the Latin word 'mamilla', which means 'nipple', referring to the tubercles on the stems of the plant.
