Native to South Africa, forms an erect club-shaped stem with squarish tubercles in rows resembling “corn cobs”. Branches freely with lateral “club-shaped” offsets. Stems have pinkish-brown persistent thorns that become purplish red with age. Responds well to warmth, with its active growth period in the late spring and summer months. Needs porous soil with adequate drainage. Water thoroughly when soil is dry to the touch during active growing season. Requires bright light for best appearance, and should be given a winter resting period at which time less water should be given. Protect from frost. All Euphorbias contain a white sap that can be irritating to eyes and mucous membranes. If contact is made with this white sap, take care to not touch face or eyes before washing hands with soap and water. The normal form is green. This variegated form shows off shades of pink, white and green all blended together.
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What if the stem starts getting squishier
In my experience, if stems are getting squishy then it has been overwatered and sitting in saturated soil too long and could possible have root rot. In my opinion, you should gently take it out and inspect how wet the roots and base are. If saturated then knock of as much of the wet soil as possible along with with any dead browning roots (do this ever ever so gently and let the roots dry out for a day or so before placing in fresh lightly moist soil that’s isn’t compacted. Just lightly loose not too loose. If roots are all brown and smushy then it might be to late it for it bc of root rot and you can totally propagate from the and of the healthy parts of cactus thay have no brown and spots. Hope this helps you.