Mammillaria petterssonii

There may be 500 species of these irresistible Cacti. The common names attest to their charms: Powder Puff, Owl's Eyes, Snowball, Birthday Cake Cactus. If you get hooked, you can join a Mammillaria society. Most are small, pincushiony balls, with tubercles rather than ribs (hence the Latin name for "little nipples"), growing singly or in clusters. A few have fingerlike stems, and Mammillaria matudae forms a mound of long "snakes". The spines vary dramatically -- straight, bent or hooklike, fine or coarse, flat or jutting, hairy, woolly, or feathered. Their true glory lies in the brilliant satiny flowers. These start blooming when the plants are merely golf-ball-size, usually forming a ring around the crown. Potted plants can be brought to a place of honor at peak of bloom. Even the fruits add color. Green to coral-red, they often last long past blooming. Densely hairy or woolly species do well in bright sun. Those with more-exposed skins need partial shade. Plant in well-drained, sandy to gravely soil and water sparsely. Nutritious soil ensures strong, colorful spines and hair. They prefer winters light and dry rather than cool. Keep temperatures above 40º F with good ventilation. If too damp they can rot. Grow from sprouts or seed. Some species can be grafted.
Mammillaria petterssonii
White wool surrounds the base of 2-inch-long central spines, nearly hiding the small magenta flowers. May grow singly or in clusters.

Attributes - Mammillaria petterssonii

Plant Type: Succulent

Bloom Season: Early Spring through Late Spring

Flower Color: Pink, Purple

Foliage: Evergreen

Height: 6 in. to 8 in.

Width: 8 in.

Sunlight: Full Sun

Climate: Zones 10, 11

Notes: Thrives in Dry Climates, Hot Climates. Container Plants, Drought Tolerant, Low Maintenance, Showy Flowers.

Related Plants

Mammillaria compressa, Mammillaria glochidiata, Mammillaria heyderi sphaerica, Mammillaria kewensis, Mammillaria muehlenpfordtii, Mammillaria pennispinosa nazasensis, Mammillaria polythele, Mammillaria pondii, Mammillaria sinistrohamata, Mammillaria supertexta
 
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