Live to Plant

Dumbcane Plant Size:
Get the Right Size for You

Updated: December 25, 2022

Dumbcane, also known as Dieffenbachia, is a popular houseplant known for its eye-catching foliage. Its leaves come in different shades of green and white, making it perfect for adding some color to your indoor space. While dumbcane plants are easy to care for, it’s important to consider their size before bringing them into your home.

Why Size Matters

The size of your dumbcane plant can have an impact on how well it thrives in your home. A plant that is too small may not be able to survive in the environment you provide, while a plant that is too large can become difficult to manage and take up too much space. Additionally, different sizes of dumbcane plants require different levels of care.

Small Dumbcane Plants

Small dumbcane plants are ideal for those who have limited space or are new to caring for houseplants. These plants typically grow up to 2 feet tall and have a spread of around 1 foot. They can be placed on a windowsill, shelf or desk and don’t require much maintenance beyond regular watering.

Medium Dumbcane Plants

Medium-sized dumbcane plants are perfect for those who want a larger plant without taking up too much space. These plants can grow up to 3-4 feet tall and have a spread of 1-2 feet. They are great for filling corners or as a statement piece in a room. Medium-sized dumbcane plants require more watering and fertilization than smaller plants.

Large Dumbcane Plants

Large dumbcane plants are best suited for those who have ample space and experience caring for houseplants. These plants can grow up to 6 feet tall and have a spread of 3-4 feet. They make a great focal point in a room or as a natural room divider. Large dumbcane plants require regular pruning, watering and fertilization.

Choosing the Right Size

When choosing a dumbcane plant, it’s important to consider your space and the care that you can provide. If you have limited space or are new to caring for houseplants, a small plant is the perfect option. If you have more space and experience, a medium or large plant may be more suitable. Remember that the larger the plant, the more care it will require.


How often should I water my dumbcane plant?

Dumbcane plants prefer moist soil but will rot if overwatered. Water your plant when the top inch of soil feels dry.

Can dumbcane plants grow in low light?

Dumbcane plants can tolerate low light but thrive in bright, indirect sunlight.

How often should I fertilize my dumbcane plant?

Fertilize your dumbcane plant every month during the growing season (spring and summer) with a balanced fertilizer.

Are dumbcane plants toxic to pets?

Yes, dumbcane plants are toxic to pets if ingested. Keep them out of reach of pets and children.

In conclusion, choosing the right size dumbcane plant is crucial for its well-being and your enjoyment. Whether you opt for a small, medium or large plant, make sure you consider your space and level of experience before bringing one home. With proper care, your dumbcane plant will thrive and add some greenery to your indoor space.