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A picture of a Corn Cob

Corn Cob

Euphorbia mammillaris

Also known as

Corkscrew, Corncob Euphorbia, Corncob Cactus, Indian Corn Cob

Photo by Ferncrest-Trading (All rights reserved)

Full Sun
Light watering


USDA zone


Minimum temperature


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A photo of Corn Cob
A photo of Corn Cob
A photo of Corn Cob
A cactus in a bowl

Corn Cob Overview

Euphorbia mammillaris is also known as Corkscrew, Corncob Euphorbia or Corn Cob after its overall appearance. It is a dioecious, subshrub species from the Euphorbiaceae family. This succulent cactus is columnar in shape and branches from the base, with an erect growth habit and many thick spines. The stems may not support their weight over time, sprawling to grow along the ground. Can be grown in a container as a houseplant, place in full sun and water sparingly. Soil should be well-draining to prevent waterlogging and root rot, this plant is drought tolerant and can survive long periods without water. It produces male and female flowers on individual plants, these flowers are non-showy and discrete, short-lived and usually white and yellow-green to pinkish-red in colour. They are produced in clusters at the tips of the stems.

Special features of Corn Cob

Drought resistant

Pot plant