Euphorbia spinescens multifolia
Cultivation and propagation: Euphorbia multifolia is an easy to grow plant for pot culture.
Growth rate: It is a relatively rapidly growing species that will make large clumps with
hundreds heads given the best conditions.
Soil: It grows well in a very draining mineral potting substrate, but it isn't picky about soil.
Repotting: Use pot with good drainage.
Watering: During the summer they enjoy average watering, but do not overwater (Rot prone), keep dry in winter.
Hardiness: When dormant in winter, keep it totally dry at or around 4°C, even though it seems to tolerate light frosts well.
Exposure: They do need a lot of light to keep their compact growth-form. They get a rich purple tinge if grown in full sun, however some protection in light shade is recommended during the hottest hours in summer.
Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz