19 Common Problems With Network Calatheas

Network Calatheas are stunning houseplants known for their strikingly patterned leaves. However, they can be a bit of a diva when it comes to care. If you've recently added one to your plant family, you're probably here because they can be a little tricky to keep happy.

In this article, we're going to explore 19 common problems that plant parents might face when caring for Network Calatheas. From leaf curling to pest infestations, we'll break down each issue and provide practical tips for keeping your plant healthy and thriving.

1. Leaf Curling

Leaf curling is one of the most common issues with Network Calatheas, and it can be caused by a few different factors. Generally, it indicates that your plant is stressed, and it's trying to tell you something's not quite right.

Here are some potential causes of leaf curling:

• Low Humidity: Calatheas thrive in high humidity environments. If the air in your home is too dry, the leaves may curl to conserve moisture.
• Underwatering: Dry soil can cause the leaves to curl, so make sure you're keeping the soil consistently moist, but not soggy.
• Temperature Fluctuations: Calatheas don't like sudden changes in temperature. Keep them away from drafts and direct sunlight, which can cause stress.

To resolve leaf curling, try increasing humidity by misting the plant regularly or using a humidity tray. Ensure you're watering adequately and check the placement of your plant to avoid temperature stress.

2. Brown Leaf Edges

Brown edges on the leaves can be concerning, but they're usually a sign of environmental stress. The most common culprit is low humidity, as Network Calatheas need a consistently humid environment to thrive.

Other factors include:

• Overwatering: While Calatheas need moist soil, too much water can lead to root rot and cause the leaf edges to brown.
• Water Quality: These plants are sensitive to chemicals in tap water, such as chlorine and fluoride.

To help your Calathea, increase humidity levels and consider using distilled or rainwater for watering. Check your watering routine to ensure you're not overdoing it, and remember to let the top inch of soil dry out between waterings.

3. Yellowing Leaves

Yellow leaves can be a sign of several issues, and it's important to identify the root cause to treat it effectively. Overwatering is a frequent culprit, as it can lead to root rot, which manifests as yellowing leaves.

Here are some other reasons your Calathea might be looking a little under the weather:

• Light Levels: While Calatheas prefer bright, indirect light, too much direct sunlight can scorch the leaves, causing them to yellow.
• Nutrient Deficiency: Like many plants, Calatheas need a balanced diet of nutrients. Lack of essential nutrients can cause yellowing.

To tackle yellowing leaves, start by checking your watering habits and adjust as needed. Move your plant to a spot with more appropriate lighting, and consider feeding it with a balanced, water-soluble fertilizer during the growing season.

4. Wilting Leaves

When your Network Calathea's leaves start to wilt, it can be alarming. However, wilting is often a symptom of a simple issue, like incorrect watering.

Here are some possibilities:

• Underwatering: If the soil is too dry, the plant can't take up enough water, leading to wilting.
• Overwatering: Conversely, soggy soil can suffocate the roots, also causing wilting.

To fix wilting, check the soil moisture level. If it's dry, give your plant a thorough watering, ensuring excess water drains away. If it's too wet, allow the soil to dry out a bit before watering again.

5. Pest Infestations

Pests can be a nightmare for any plant parent, and Calatheas are no exception. Common pests include spider mites, aphids, and mealybugs, which love to feast on these beautiful leaves.

Signs of a pest problem include:

• Webbing or fine silk threads: This indicates spider mites.
• Sticky residue: Aphids leave behind a sticky substance called honeydew.
• White, cotton-like masses: Mealybugs create these clusters on leaves and stems.

To combat pests, regularly inspect your plant and isolate it if you spot any signs of infestation. You can use insecticidal soap or neem oil to treat the pests, ensuring you cover the entire plant for the best results.

6. Slow Growth

It's frustrating when your Network Calathea doesn't seem to be growing as it should. Slow growth can result from several factors, often related to the plant's environment or nutrition.

Consider these potential causes:

• Insufficient Light: While they don't like direct sunlight, Calatheas need enough indirect light to thrive.
• Nutrient Deficiency: A lack of essential nutrients can stunt growth.
• Poor Soil Quality: If the soil is compacted or lacks organic matter, it might not support healthy growth.

To encourage growth, move your Calathea to a spot with bright, indirect light. Consider repotting it with a high-quality potting mix and feeding it with a balanced fertilizer during the growing season.

7. Drooping Leaves

Drooping leaves can make your Calathea look sad and neglected, but it's often a sign of something easily fixable. The most common cause is dehydration, but it can also result from other stressors.

Here are some possibilities:

• Underwatering: Check the soil moisture and water if it's dry.
• Low Humidity: Make sure the air around your plant is humid enough.
• Temperature Stress: Extreme temperatures can cause drooping.

To help your plant perk up, ensure it's getting enough water and humidity. Adjust its location if it's exposed to extreme temperatures or drafts.

8. Fungal Issues

Fungal infections can be a serious problem for Network Calatheas, often appearing as spots on the leaves or a fuzzy mold on the soil surface. These infections thrive in warm, humid conditions, which unfortunately are the same conditions Calatheas love.

Signs of fungal issues include:

• Leaf Spots: Brown or black spots with yellow halos.
• Powdery Mildew: A white, powdery substance on leaves.

To prevent fungal issues, ensure good air circulation around your plant. Avoid overhead watering to keep the leaves dry, and remove any infected leaves promptly. Fungicides can be used if the problem persists, but always follow the instructions carefully.

9. Root Rot

Root rot is a severe condition that can be deadly if not addressed quickly. It's caused by overwatering and poor drainage, leading to the roots sitting in water and eventually rotting.

Signs of root rot include:

• Yellowing Leaves: Often one of the first symptoms.
• Mushy Roots: When you check the roots, they appear brown and mushy instead of white and firm.

If you suspect root rot, carefully remove the plant from its pot and trim away any affected roots. Repot the plant in fresh, well-draining soil, and adjust your watering habits to prevent recurrence.

10. Leaf Drop

Leaf drop can be distressing, especially when your Calathea seems to be shedding more leaves than it grows. However, it's often a response to stress.

Potential causes include:

• Extreme Temperature Changes: Calatheas are sensitive to sudden shifts in temperature.
• Transplant Shock: If you've recently repotted your plant, it may drop leaves as it adjusts.

To minimize leaf drop, ensure your plant is in a stable environment with consistent temperature and humidity levels. Be gentle when repotting and avoid disturbing the roots unnecessarily.

11. Uneven Leaf Color

Uneven leaf color can be a sign that your Calathea isn't getting the light it needs. While these plants prefer indirect light, too little light can cause the colors to fade or become patchy.

To fix this issue, try moving your plant to a brighter location, but avoid direct sunlight, which can scorch the leaves. You might also consider rotating the plant occasionally to ensure all sides receive equal light exposure.

12. Leaf Cracking

Leaf cracking is an unusual problem that can occur if your Calathea is growing too quickly in less-than-ideal conditions. Typically, this is due to rapid growth in an environment with fluctuating humidity or inconsistent watering.

To prevent leaf cracking, maintain consistent humidity and a stable watering schedule. If your plant is growing quickly, ensure it's receiving enough nutrients to support its growth, but avoid over-fertilizing, which can also stress the plant.

13. Soil Compaction

Soil compaction can hinder your Calathea's growth by restricting root development and water absorption. This often occurs from using the wrong soil mix or not repotting often enough.

To improve soil conditions, consider repotting your Calathea in a well-aerated potting mix that includes components like perlite or orchid bark. This will help maintain good drainage and prevent compaction.

14. Nutrient Burn

Nutrient burn can occur if your Calathea receives too much fertilizer, causing the leaf tips to brown and curl. This is because excess salts in the fertilizer can accumulate in the soil, leading to root damage.

To avoid nutrient burn, follow the recommended dosage on your fertilizer's label and consider using a diluted solution. If you've already over-fertilized, flush the soil with water to remove excess salts, and resume a more balanced feeding schedule.

15. Stem Rot

Stem rot is another serious condition that can affect Network Calatheas, often caused by overwatering and high humidity. It's characterized by soft, mushy stems that can lead to the plant's collapse.

To prevent stem rot, ensure proper drainage in your pot and avoid letting the plant sit in water. If you notice any signs of rot, trim away affected areas and improve air circulation around the plant.

16. Deformed Leaves

Deformed leaves can be a sign of stress or damage to the plant's growing conditions. This can result from factors like pest infestations, nutrient imbalances, or physical damage.

To address deformed leaves, inspect your plant for pests and treat any infestations promptly. Ensure your plant is receiving a balanced diet of nutrients and avoid handling the leaves excessively to prevent damage.

17. Stunted Growth

Stunted growth is often a sign that your Calathea isn't entirely happy with its environment. This could be due to a lack of nutrients, insufficient light, or root-bound conditions.

To encourage growth, provide a balanced fertilizer and ensure your plant receives adequate indirect light. If your plant is root-bound, consider repotting it in a larger pot with fresh soil to give the roots more room to grow.

18. Sunburned Leaves

Sunburned leaves are a common issue when Calatheas are placed in direct sunlight. The leaves can develop brown, crispy patches that indicate sun damage.

To prevent sunburn, move your Calathea to a location with bright, indirect light. If your plant is already sunburned, trim away damaged leaves and allow new growth to flourish under better conditions.

19. Sensitivity to Chemicals

Network Calatheas are sensitive to chemicals in tap water, such as chlorine and fluoride, which can cause leaf damage over time.

To avoid this, use distilled or rainwater for watering, or let tap water sit out overnight to allow chemicals to dissipate. This can help maintain healthy, vibrant foliage without the risk of chemical damage.

Final Thoughts

Network Calatheas may be a bit demanding, but with the right care and attention, they can thrive and bring beauty to your home. By understanding the common problems and how to address them, you can keep your Calathea healthy and happy.

At Cafe Planta, we love helping plant lovers care for their green companions. If you have any questions about your plants, feel free to reach out to us via email or drop us a DM on our Instagram. We're here to help you connect with nature and each other while building a beautiful plant collection in your home.