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Dieffenbachia seguine - Dumb Cane


Prefers bright, indirect light, but tolerates low light

Well drained

Let potting mix dry slightly between waterings

Depending upon variety, 2-10 feet (0.61-3.05 m) tall, 2 feet (0.61 m) wide

Possible Problems

Poor drainage can cause root rot. Spider mites, aphids, mealybugs, and scale are possible


The nomenclature of the genus Dieffenbachia can be confusing. Plants sold as D. amoena, D. maculata, or D. picta are now considered variations of a single species, D. seguine. It is called dumb cane because if its sap gets into your mouth, it can cause painful temporary loss of speech. It can also irritate the skin, so use caution when pruning and keep plants away from animals and children. Likes typical indoor humidity and temperatures of 65-75 degrees F (18.3-23.9 C). Keep out of direct light or you may see bleaching or brown scalding of the leaves. Feed every 2 or 3 months with a soluable fertilizer.


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