Dieffenbachia (also known as dumb cane) is a popular houseplant grown for its large, showy leaves.
Although it tolerates low light, it does best in bright, indirect light with protection from sun. Filtered light is especially important in the spring and summer when dieffenbachia is putting out new leaves, which may suffer from sunburn if exposed to bright light that shines directly on the plant.
This plant likes consistently moist, well-drained soil that is allowed to dry out to an inch or so below the surface between waterings.
If you see dieffenbachia's roots starting to poke through the top of the soil, or its leaves start to fall off, it's time to repot. Usually, these plants need repotting every year. Wearing gloves, pull the plant from the container, being careful not to get any of the plant's sap on your skin.
Note: the leaves, roots, sap, and stalk of dieffenbachia are all considered toxic to both humans and pets. The leaves, in particular, contain needle-like calcium oxalate crystals and proteolytic enzymes.
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