Updated: May 27, 2022

If you’re a gardening enthusiast, then you must be familiar with combo plants, which are a combination of different plants placed in the same pot. Combining multiple plants in one pot not only saves space but also creates a beautiful and vibrant display. However, keeping combo plants healthy can be tricky, especially when it comes to preventing rotting. In this article, we’ll provide some tips on how to prevent combo plant from rotting.

What Causes Rotting in Combo Plants?

Before discussing how to prevent rotting in combo plants, it’s essential to understand what causes it. Here are the common reasons why your combo plants may start rotting:

  • Overwatering: Overwatering is one of the most common causes of rotting in combo plants. When you water your plants excessively, the soil becomes saturated, causing the roots to suffocate and decay.
  • Poor Drainage: Poor drainage is another reason why your combo plants may start rotting. If the pot doesn’t have proper drainage holes or the soil is too compacted, excess water will accumulate at the bottom of the pot, leading to root rot.
  • Fungal Diseases: Fungal diseases such as Pythium and Phytophthora can cause rotting in combo plants. These diseases thrive in damp conditions and can quickly spread from one plant to another.

Now that we know what causes rotting let’s discuss how to prevent it.

Tips on How to Prevent Combo Plant from Rotting

1. Choose the Right Pot

Choosing the right pot for your combo plant is crucial. Make sure that the pot has proper drainage holes to allow excess water to drain out. Additionally, choose a pot that’s slightly larger than your plant’s root ball to give it room for growth.

2. Use High-Quality Soil

Using high-quality soil is essential for preventing rotting in combo plants. Choose a well-draining soil mix that’s rich in organic matter. Avoid using heavy garden soil, which can become compacted and prevent proper drainage.

3. Water Your Plants Wisely

Watering your combo plants wisely is crucial for preventing rotting. Make sure to water them only when the top inch of soil feels dry to the touch. Avoid overwatering your plants, as this can lead to root rot.

4. Provide Adequate Airflow

Providing adequate airflow is essential for preventing fungal diseases in combo plants. Place your plants in an area with good air circulation, such as near a window or fan. Avoid overcrowding your plants, as this can limit airflow and create damp conditions.

5. Remove Dead Leaves and Flowers

Removing dead leaves and flowers from your combo plants is essential for preventing fungal diseases. These parts of the plant can harbor bacteria and fungi that can spread to healthy parts of the plant.


Can I use a saucer under my pot?

Yes, you can use a saucer under your pot to catch excess water. Just make sure to empty the saucer regularly to prevent water from accumulating and causing root rot.

How often should I fertilize my combo plants?

You should fertilize your combo plants every four to six weeks during the growing season (spring and summer). Use a balanced fertilizer that’s suitable for the type of plants in your combo.

Can I prune my combo plants?

Yes, you can prune your combo plants to keep them healthy and prevent overcrowding. Just make sure to use clean pruning shears to prevent the spread of diseases.

In conclusion, keeping your combo plants healthy and preventing rotting requires proper watering, good soil, adequate airflow, and regular maintenance. By following these tips, you’ll be able to enjoy beautiful and healthy combo plants for years to come.