Updated: December 1, 2022

Dumb cane, scientifically known as Dieffenbachia, is a popular houseplant that is loved for its beautiful foliage and ease of care. However, one common problem that many people face with this plant is that it tends to grow sideways. This can be frustrating for plant owners who want their dumb cane to grow upright and look its best. In this article, we will explore the reasons why your dumb cane plant may be growing sideways and what you can do about it.

Lack of Light

One of the most common reasons why dumb cane plants grow sideways is due to a lack of light. Dumb cane plants require bright, indirect light to thrive. When they don’t receive enough light or when the light source is not evenly distributed, they will start to grow towards the light source, which can cause the plant to lean or grow sideways.

To fix this issue, you can move your dumb cane plant to a brighter location where it can receive more light. You can also rotate the plant every few days to ensure that all sides receive equal amounts of light.

Uneven Watering

Another reason why your dumb cane plant may be growing sideways is due to uneven watering. Dumb cane plants require consistently moist soil, but they don’t like to sit in water for prolonged periods. If the soil is too dry or too wet, it can cause the plant to become unbalanced and lean towards one side.

To prevent this from happening, make sure you water your dumb cane plant regularly and evenly. Avoid letting the soil dry out completely or become waterlogged. You can also use a moisture meter to monitor the soil moisture level and adjust your watering schedule accordingly.

Rootbound Plant

A rootbound dumb cane plant is another common reason why it may start to grow sideways. When a plant becomes rootbound, it means that its roots have outgrown the pot and have started to circle around the edges. This can cause the plant to become cramped and unbalanced, which can lead to it leaning or growing sideways.

To fix this issue, you will need to repot your dumb cane plant into a larger pot. Make sure to choose a pot that is only slightly larger than the current one, as a pot that is too big can hold too much water and cause root rot.

Pests or Diseases

Lastly, pests or diseases can also cause your dumb cane plant to grow sideways. Common pests that can affect dumb cane plants include spider mites, mealybugs, and scale insects. These pests can suck the sap from the plant and weaken its stems, causing it to lean or grow sideways.

Diseases such as root rot or stem rot can also cause your dumb cane plant to become weak and lean towards one side. To prevent these issues, make sure to inspect your plant regularly for any signs of pests or diseases. If you notice any issues, treat them promptly with an appropriate pesticide or fungicide.

FAQ

Can I train my dumb cane plant to grow upright?

Yes, you can train your dumb cane plant to grow upright by using a stake or trellis. Simply tie the stem of the plant to the stake or trellis using a soft tie or twine. As the plant grows taller, continue tying it to the support structure until it becomes self-supporting.

How often should I fertilize my dumb cane plant?

Dumb cane plants should be fertilized every 2-3 months during the growing season (spring and summer). Use a balanced fertilizer with equal amounts of nitrogen, phosphorus, and potassium.

What should I do if my dumb cane plant has become too tall and leggy?

If your dumb cane plant has become too tall and leggy, you can prune it back by cutting off the top part of the stem. Make sure to cut just above a leaf node and use a clean, sharp pair of pruning shears.

In conclusion, if your dumb cane plant is growing sideways, it may be due to a lack of light, uneven watering, a rootbound plant, or pests and diseases. By addressing these issues promptly, you can help your dumb cane plant grow upright and look its best.