Updated: July 13, 2023

Maranta Red, also known as Maranta leuconeura erythroneura, is a popular houseplant known for its vibrant red veins on its green leaves. To keep your Maranta Red plant healthy and thriving, proper fertilization is essential. In this guide, we will discuss the importance of fertilizing your Maranta Red plant, the best fertilizers to use, and how to fertilize effectively.

Why Fertilize?

Fertilizing your Maranta Red plant is crucial for its growth and overall health. Like any other plant, Maranta Red requires essential nutrients to thrive. These nutrients include nitrogen (N), phosphorus (P), and potassium (K), along with trace elements like iron, manganese, and calcium.

While soil can provide some of these nutrients naturally, over time, the soil may become depleted. Fertilizers help replenish these nutrients, ensuring that your Maranta Red plant has everything it needs to grow well.

Choosing the Right Fertilizer

When it comes to fertilizing your Maranta Red plant, it’s important to choose the right type of fertilizer. There are two main types: liquid fertilizers and slow-release granular fertilizers.

Liquid fertilizers are fast-acting and are absorbed quickly by the plant roots. They are usually diluted in water and applied directly to the soil. On the other hand, slow-release granular fertilizers release nutrients gradually over an extended period. They are mixed into the soil during potting or applied as top dressings.

For Maranta Red plants, it is recommended to use a balanced houseplant fertilizer with an equal ratio of NPK (10-10-10 or 20-20-20). These balanced fertilizers provide a good mix of essential nutrients without overstimulating growth.

When to Fertilize

Maranta Red plants should be fertilized during their active growing season, which typically spans from spring to early fall. During this period, the plant is actively producing new leaves and requires more nutrients.

It is advisable to fertilize your Maranta Red plant every four to six weeks during the growing season. However, it’s essential to closely monitor your plant’s response to the fertilizer. If you notice excessive growth or signs of nutrient burn, reduce the frequency or concentration of fertilization.

How to Fertilize Effectively

To effectively fertilize your Maranta Red plant, follow these steps:

Step 1: Choose the right time

Fertilize your Maranta Red plant in the morning or evening when temperatures are cooler. Avoid fertilizing during extreme heat or direct sunlight, as this can cause stress to the plant.

Step 2: Dilute liquid fertilizer

If using a liquid fertilizer, dilute it according to the manufacturer’s instructions. Over-fertilizing can harm your plant, so it’s important to follow the recommended dosage.

Step 3: Apply the fertilizer

For liquid fertilizers, gently pour the diluted mixture around the base of the plant, ensuring that it reaches the soil. Be careful not to get any fertilizer on the leaves, as this can cause leaf burn.

If using a slow-release granular fertilizer, sprinkle it evenly on top of the soil. Avoid placing the granules directly on the leaves or stems of the plant.

Step 4: Water thoroughly

After applying the fertilizer, water your Maranta Red plant thoroughly. This helps distribute the nutrients evenly throughout the soil and prevents any potential salt buildup from the fertilizer.

Signs of Over- and Under-Fertilization

It’s crucial to pay attention to your Maranta Red plant’s response to fertilization. Here are some signs of over- and under-fertilization:

Over-fertilization

  • Excessive growth with long, leggy stems
  • Dark green leaves with yellowing edges
  • Leaf burn or scorching
  • Wilting or drooping foliage

If you notice these signs, reduce the frequency or concentration of fertilization and flush the soil with water to remove any excess nutrients.

Under-fertilization

  • Slow growth or stunted development
  • Pale or yellowing leaves
  • Poor overall health

If your Maranta Red plant shows these signs, increase the frequency or concentration of fertilization gradually. Ensure that you follow the recommended dosage to avoid over-fertilization.

Conclusion

Fertilizing your Maranta Red plant is vital for its health and growth. By choosing the right fertilizer, fertilizing at the appropriate time, and monitoring your plant’s response, you can ensure that your Maranta Red remains vibrant and lush. Remember to follow the recommended dosage and avoid over-fertilizing, as this can do more harm than good. With proper fertilization, your Maranta Red plant will thrive and bring beauty to your indoor space.