Christmas cactus

noun

: a branching Brazilian cactus (Schlumbergera russelliana synonym S. buckleyi) having flat jointed stems with scalloped margins and showy usually red, pink, white, violet, or yellow flowers
also : a related cactus (Schlumbergera truncata synonym Zygocactus truncatus) or a hybrid of this and the Christmas cactus

Examples of Christmas cactus in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Finally, some succulents bloom in winter and should be pruned soon afterward—Christmas cactus is a prime example. Brandee Gruener, Southern Living, 26 Feb. 2026

Word History

Etymology

from its annual blooming around Christmastime

First Known Use

1880, in the meaning defined above

Time Traveler
The first known use of Christmas cactus was in 1880

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Cite this Entry

“Christmas cactus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Christmas%20cactus. Accessed 4 Aug. 2026.

Kids Definition

Christmas cactus

noun
: a branching Brazilian cactus with flat stems and showy flowers

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