Description
Blue-green stems with white woolly hairy spines
Spines: Radials 50-100, white, hairlike, 8 - 20 mm long, with very few short hooked centrals , reddish brown, 5 - 10 mm long.
Origin and Habitat
Garden origin (Nursery produced cultivar)
Cultivation and Propagation
It is a rapid growing crest that does very well on its own roots. Water regularly in summer, but do not overwater (very rot prone) Use pot with good drainage and a very porous potting media, keep dry in winter. Feed with a high potassium fertilizer in summer. It is quite frost resistant if kept dry, hardy as low as -5° C. Outside full sun or afternoon shade; inside it needs bright light, and some direct sun. A big clump can be produced in a very few years.
Propagation: Division of larger clumps in spring or summer.
Bibliography
Major references and further lectures.
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Robert T. Craig “The Mammillaria handbook: with descriptions, illustrations, and key to the species of the genus Mammillaria of the Cactaceae” E P Publishing, 1945
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John Pilbeam “Mammillaria The Cactus File Handbook” Cirio Pub. Services, 01/Dec/1999
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Edward Anderson “The Cactus family” Timber Press, Incorporated, 2001
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James Cullen, Sabina G. Knees, H. Suzanne Cubey “The European Garden Flora Flowering Plants: A Manual for the Identification of Plants Cultivated in Europe, Both Out-of-Doors and Under Glass” Cambridge University Press, 11/Aug/2011
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David R Hunt; Nigel P Taylor; Graham Charles; International Cactaceae Systematics Group. “The New Cactus Lexicon” dh books, 2006
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Clive Innes, Charles Glass “Cacti” Portland House, 01/May/1991
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N. L. Britton, J. N. Rose “The Cactaceae. Descriptions and Illustrations of Plants of the Cactus Family.” Volume 4, The Carnegie Institution of Washington, Washington 1923
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Gurcharan Singh Randhawa, Amitabha Mukhopadhyay “Floriculture in India” Allied Publishers, 01/Jan/1986
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Anne Swithinbank “The Greenhouse Gardener” frances lincoln ltd, 2006
