How To Plant And Maintain Dieffenbachia Seguine (Dumb Cane)

How To Plant And Maintain Dieffenbachia Seguine (Dumb Cane)

Emma Downey

Emma Downey
Gardening Expert

Updated on 12/4/2022

How To Plant And Maintain Dieffenbachia Seguine? Dieffenbachia Seguine is the scientific name for a genus of tropical perennial plants that includes numerous species typically kept as houseplants. They have leaves that are pointy and ovate, and they come in a range of color combinations, including green, cream, and white. Dieffenbachias that are allowed to reach their full potential can reach a height of ten feet and have leaves that are twenty inches long. On the other hand, under ordinary indoor settings, the plants will very rarely reach this size; instead, heights of 3 to 5 feet are more frequent.

Dieffenbachia is a fast-growing plant that, providing adequate light, may reach a height of 2 feet within one year after being planted from a rooted cutting if it is done correctly. Even though the phrase "dumb cane" is no longer often used as a pejorative, the plant got its name from the fact that it contains toxins that have the potential to impair speech. It is highly hazardous to human beings, dogs, and cats alike. 

Dieffenbachia Seguine

  • Common Names: Dieffenbachia is sometimes known as the dumb cane. 
  • Botanical Name: Dieffenbachia Seguine
  • Family: Araceae
  • Type of Plant: Herbaceous, Perennial Plant
  • Size at Maturity: 3–10 feet in height and 2–3 feet in widthV3–10 feet in height and 2–3 feet in width
  • Sun Exposure: Partial
  • Type of Soil:  Abundant drainage space
  • Hardiness Zones: 10–12 (USDA). The Caribbean and South American regions initially.
  • Toxicity: Toxic to humans and animals

Dieffenbachia Care

Dieffenbachia Seguine

It is recommended that Dieffenbachia be cultivated as an indoor plant in bright yet indirect sunshine. It would help if you planted it in potting soil rich in peat, good drainage, and fertile soil. Because it is a tropical plant, it will thrive in many humid conditions. One technique is putting the pot on top of a tray of water-filled pebbles. During the dry winter months, misting the leaves might be of some assistance.

This plant is susceptible to the issue of overwatering, which affects many other types of indoor houseplants. Before giving the plant a complete soaking with water, ensure that the top 2 inches of the potting soil have lost their moisture content, and it will allow the water to flow through the bottom of the container. If you want to create a specimen that looks like a miniature palm with an arching canopy, you may complete this look by removing the lower, weaker leaves as the plant grows.



Dieffenbachia plants are common houseplants because they thrive in somewhat shaded environments. Still, during the winter, these plants require more direct exposure to light to succeed. During the time of year when it is actively growing, the plant does best in partial shade or indirect sunlight. Because the plant will develop more quickly on the side exposed to light, frequently rotating it will help maintain balanced growth.


Use a potting mix that has good air circulation and drains quickly. It is essential to have proper drainage to protect the roots from being harmed; the roots should never be left in wet soil.


Dieffenbachias do not like to be let dry throughout the growing season since they prefer consistent hydration. A big Dieffenbachia may require watering two times each week. You may need to reduce the water you use throughout the winter. Dieffenbachias are susceptible to developing rot if they receive excessive water; thus, it is essential not to overwater them. Before you water, check to see that the soil's surface has completely dried.

Temperature As Well As Relative Humidity

This plant thrives in temperatures between 65 and 75 degrees Fahrenheit (around 18 to 24 degrees Celsius). If the temperature falls below sixty degrees, Fahrenheit or the plant is subjected to cold draughts, it is likely to lose its lower leaves and take on the look of a palm tree.


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Feeding your plant at regular intervals (every four to six weeks) using a balanced fertilizer that has been diluted, such as a 20-20-20, will produce the most significant results. Please refer to the directions on the product label for the appropriate dosage. On the other hand, some cultivators swear to use a mild fertilizer that has been diluted at each watering.

Types Of Dieffenbachia

Types Of Dieffenbachia

The Dieffenbachia genus has a diverse collection of stunning tropical perennials; nevertheless, the species D. sequence, D. oerstedii, D. maculata, and D. amoena are the ones that are most frequently cultivated in cultivation. Because some Dieffenbachia species have been lately reassigned with other names, you may find that the precise terminology of several variations of Dieffenbachia plants causes you some confusion. Dieffenbachias and dumb canes are two names that are commonly used to refer to them collectively.

Only a superior selection of the various species of Dieffenbachia are often available for purchase through retail outlets, including:

  • The most well-known species of Dieffenbachia is called D. Seguin, which originates in Brazil. It has clusters of broad oval leaves that are green along the margins and are spotted with a yellow or cream hue. It has the potential to reach a height of 10 feet.
  • The cultivars 'Perfection', 'Rudolph Roehrs,' and 'Superba' are all excellent examples of the D. maculate species, once known as D. picta. 'Perfection' has intensely variegated 8-inch leaves, and 'Rudolph Roehrs and 'Superba' have completely yellow leaves with ivory splotches. The plant with the name 'Camille' grows to a height of approximately 3 feet and has leaves that are a pale yellow with white borders.
  • The D. amoena plant may grow to a height of 6 feet and has left 20 inches long. 'Tropic Snow' is a remarkable cultivar because it has more incredible variegation and smaller leaves than other varieties.

Propagating Dieffenbachia

Propagating Dieffenbachia

There are three straightforward methods available for propagating Dieffenbachia plants.

To divide Via Root Division

  • When the plant is repotted in the spring, the offsets can be separated (while preserving part of the plant's roots) and placed in separate pots.
  • If you decide to go this route, ensure that the parent plant's root systems are not harmed in the process, and always use an adequately sanitized tool to prevent disease transmission.

To Spread A Stump

  • Dieffenbachias getting long in the tooth can have their tops pruned off and replanted in new potting soil after being treated with a rooting hormone.
  • From the base of the stump, fresh leaves will emerge.
  • When the new leaves develop, you should get rid of the older ones.

To Reproduce A Cane Plant Using Cuttings

  • It is possible to sprout pieces of the cane by placing them in a horizontal position in moist potting soil.
  • The fragments will eventually take root, resulting in the sprouting of leaves.
  • Plant each piece that has roots in a separate container that has been stuffed with fresh potting mix.

Potting And Repotting Dieffenbachia

Potting And Repotting Dieffenbachia

Dieffenbachias may require replanting every year. Be on the lookout for warning signs of stress on the plant, such as roots coming up from the surface, crowding, or dropping leaves; these might all be indications that the plant requires new soil and a new container. To report a plant, you need to raise the entire plant by its roots, remove any old dirt and decaying matter from the sources, and then transfer the plant to a larger container with some new soil. Dieffenbachias need some time to acclimate to their new environment after being repotted, so allow them that time. Put on gloves if you want to prevent getting sap on your hands. 

Pests That Are Usually Seen

Dieffenbachia plants seldom have problems. However, like other houseplants, they could be attacked by spider mites if kept indoors. These can be treated using an oil that is specifically designed for gardening.

Common Problems With Dieffenbachia

Common Problems With Dieffenbachia

The condition of the leaves on your Dieffenbachia will provide you with a wealth of information about the plant. Keep an eye out for certain leaf discolorations since they will indicate what you should do to improve the situation.

Changing Of The Leaves To Yellow

Yellowing of the leaves on your plant can be caused by either overwatering or underwatering it, and they will frequently detach themselves from the plant. To test the quality of the soil, insert one finger into the ground up to the first knuckle. You should hold off on watering for about a week if it's raining. You might have to dig a bit deeper to see whether or not the soil is dried, indicating that you need to provide the plant with additional water. Regardless of the reason, remove the yellow leaves from the plant.

It's also possible that the plant lacks minerals like nitrogen, which causes the leaves to become yellow. Even though it may be challenging to determine the problem, giving your plant some fertilizer won't harm it to see if it will help it return to being healthy.

The Drooping Of The Leaves

The Drooping Of The Leaves

The Dieffenbachia plant does well in dappled shade. If you notice that your plant is drooping, it may be because it is receiving excessive sunshine. Transfer the plant to a location where it will get sunlight at an angle. On the other hand, the leaves may go yellow and droop if it does not receive adequate light. To remedy this predicament, move it to a location that receives more light. The Dieffenbachia Seguine might be drooping due to the fact that it is cold or there is a strong breeze. During the growing period of your plant, maintain a temperature of 65 to 75 degrees Fahrenheit.

Frequently Asked Questions