Echinocactus — 3 species
Botanical species in the genus Echinocactus recorded in the PlantPeers database.

Echinocactus horizonthalonius
Echinocactus horizonthalonius
Family: Cactaceae
Cultivation
In cultivation, Cactus plants generally will not succeed in moist climates. They usually require a sunny position in a well-drained, circumneutral soil and to be kept more or less dry in the dormant season.
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Echinocactus platyacanthus
Echinocactus platyacanthus
Family: Cactaceae
Cultivation
In cultivation, Cactus plants generally will not succeed in moist climates. They usually require a sunny position in a well-drained, circumneutral soil and to be kept more or less dry in the dormant season.
Full cultivation guide →
Echinocactus polycephalus
Echinocactus polycephalus
Family: Cactaceae
Cultivation
Echinocactus polycephalus is confined to some of the hottest, driest areas of the Sonoran and Mohave Deserts in northwestern Sonora, southwestern Arizona, southern Nevada, and southeastern California. Attempts to cultivate this species in Tucson, Arizona fail, probably due to too much rainfall (Tuscon recieves around 300mm per year). In cultivation, Cactus plants generally will not succeed in moist climates.
Full cultivation guide →