This genus includes 21 species, and is extensively grown. The plants are mostly tall with erectbranching from the base. They grow well in a mixture of 1 part sharp sand, 1 part loam, and 1 part -mould.
Lemaireocereus pruinosus. Central Mexico. Grows well from, producing good specimens in about three years. The stems are dull green, with 5 or 6 deep ribs. Radial spines number 8 to 9; central spines 1 to 4.
Lemaireocereus marginatus. Central and S. Mexico
A beautiful and fast growing species, easily grown from, requiring full sunshine and warmth. Radial spines number 7, and centrals 1 or 2.
Lemaireocereus Beneckei. Central Mexico. In collections it forms an attractive column with 5 to 9 ribs, of which the growing top is a delightful sea-green, some parts of it having the appearance of being powdered. The areoles are at first white, becoming brownish, with about 5 radial spines and 1 central spine. Not an easy plant to grow on its own, it requires a soil rich in humus, but very porous, and must be given all the sunshine possible.