Habitat: Mexico, desert of Baja California, United States.
Description: a group of columnar cacti with slender stems branching from the base that may take a shrub-like form, sometimes of gigantic proportions. In the summer, nocturnal flowers arise from the apex of adult plants There may be synonyms in the genus Lemaireocereus. It now includes Marginatocereus.
Soil: basic mix.
Location: full sun.
Temperature: keep the minimum around 8°C (46°F).
Water: average with care.
Cultivation tips: raise from seed. Very low temperatures can result in the formation of scars.
Main species of Pachycereus: Pachycereus schottii var. monstrosus; Pachycereus pecten-aborigen; Pachycereus pringlei.