5 Reasons Why Your Network Calathea Is Not Growing

Cafe Planta Team
Houseplants in a beautiful sunny space

Ah, the Network Calathea! With its striking leaf patterns and lush green foliage, this plant can add a touch of tropical elegance to any room. However, if your Network Calathea isn't growing as you expected, it can be a bit of a head-scratcher. You're not alone in this; many plant parents have faced this challenge.

In this article, we’ll explore five reasons why your Network Calathea might be stalling in its growth. From light levels to humidity needs, we'll cover the essentials you need to get your plant thriving again. So, let’s roll up our sleeves and dig into the nitty-gritty of Calathea care!

1. Inadequate Lighting

One of the most common reasons your Network Calathea might not be growing is due to lighting issues. Calatheas are native to the understory of tropical forests, which means they prefer indirect light. They thrive in conditions that mimic their natural habitat—filtered light that’s not too harsh.

If your Calathea is sitting in a dark corner, it might not be getting enough light to photosynthesize effectively. On the flip side, direct sunlight can scorch its leaves, causing them to curl or develop brown spots. The key is finding that sweet spot where the light is just right.

  • Bright, Indirect Light: Place your Calathea near a north or east-facing window. If this isn't possible, you can use sheer curtains to diffuse the light coming from a south or west-facing window.
  • Avoid Direct Sunlight: Keep the plant away from direct sun rays. If you notice browning or curling leaves, it might be time to move it to a less sunny spot.
  • Artificial Lighting: If natural light is scarce, consider using grow lights. LED lights that mimic daylight can be a great solution for maintaining healthy growth.

Interestingly enough, Calatheas are known as 'prayer plants' because their leaves fold up at night. This is a natural response to light levels, so if you notice your plant isn’t doing this, it might be a clue that the light conditions aren’t optimal.

2. Improper Watering

Watering is another crucial aspect of Calathea care. These plants are a bit like Goldilocks when it comes to moisture—they want their soil to be just right. Too dry, and they’ll sulk; too wet, and they might throw a tantrum (or develop root rot).

Calatheas prefer consistently moist soil, but not soggy. It’s important to understand your plant’s watering needs to keep it happy and growing.

  • Check the Soil: Before watering, stick your finger about an inch into the soil. If it feels dry, it’s time to water. If it’s still damp, give it a little more time.
  • Use Filtered or Distilled Water: Calatheas can be sensitive to chemicals in tap water, like chlorine and fluoride. Using filtered or distilled water can prevent leaf damage.
  • Drainage is Key: Make sure your pot has drainage holes to prevent water from sitting at the bottom, which can lead to root rot.

On the other hand, if the leaf edges start to brown, it might be a sign of underwatering. While it’s tempting to stick to a strict watering schedule, it’s better to monitor your plant’s needs and adjust accordingly.

3. Low Humidity

Calatheas come from humid environments, so it’s no wonder they’re not fans of dry air. If your home’s air is on the dry side, especially during winter months, this could be a reason your plant isn’t thriving.

To create a more hospitable environment for your Calathea, you might need to boost the humidity around it.

  • Use a Humidifier: A humidifier is one of the most effective ways to increase humidity. Aim for a humidity level of 50% or higher for your Calathea.
  • Group Plants Together: Placing plants together can create a microclimate with higher humidity, as they naturally release moisture through transpiration.
  • Mist the Leaves: Lightly misting the leaves can provide a temporary humidity boost, but be cautious not to overdo it, as constant wet leaves can encourage fungal issues.

While it’s hard to say for sure, low humidity is often the culprit behind crispy leaf edges or tips. If you notice this, it might be worth investing in a small hygrometer to keep an eye on your indoor humidity levels.

4. Inconsistent Temperatures

Calatheas are a bit like Goldilocks when it comes to temperature, too. They prefer things to be just right—not too hot and not too cold. Sudden temperature changes or drafts can stress the plant and stunt its growth.

Here's how to ensure your Calathea stays cozy:

  • Keep Away from Drafts: Avoid placing your plant near windows, doors, or vents that might subject it to cold drafts.
  • Maintain Consistent Temperatures: Aim for a stable temperature range between 65°F and 75°F (18°C to 24°C).
  • Avoid Heat Sources: Keep your plant away from heaters, radiators, and direct sunlight, as these can cause temperature spikes.

While it might seem like a lot to manage, maintaining a stable environment isn’t too tricky once you find the right spot in your home. A little trial and error might be needed, but your Calathea will thank you for it.

5. Nutrient Deficiency

Just like us, plants need a balanced diet to grow and thrive. If your Calathea isn’t getting the nutrients it needs, it might struggle to put out new growth. Nutrient deficiencies can manifest in a variety of ways, from yellowing leaves to stunted growth.

Consider these tips to ensure your plant is well-fed:

  • Regular Fertilizing: Use a balanced, water-soluble fertilizer during the growing season (spring and summer) to provide essential nutrients.
  • Avoid Over-Fertilizing: More isn’t always better. Too much fertilizer can burn the roots and cause more harm than good. Follow the instructions on the fertilizer package and dilute if necessary.
  • Repotting: If your Calathea has been in the same soil for a long time, it might benefit from being repotted into fresh soil that has more available nutrients.

Interestingly, nutrient deficiencies aren’t always about lack of nutrients in the soil. Sometimes, the pH level can affect nutrient absorption. Aim for a slightly acidic to neutral pH, which is best for Calatheas.

6. Potting and Soil Issues

Potting and soil choice play a significant role in your Calathea’s overall health. Using the wrong type of soil or pot can hinder growth and lead to other problems like waterlogging or root rot.

Here’s what to keep in mind:

  • Well-Draining Soil: Calatheas prefer a light, well-draining soil mix. You can use a mix designed for tropical plants or make your own with equal parts potting soil, peat moss, and perlite.
  • Right-Sized Pot: Choose a pot that’s the right size for your plant. Too large, and the soil can retain too much water. Too small, and the roots can become cramped.
  • Drainage Holes: Ensure your pot has adequate drainage holes to prevent water from sitting at the bottom, which can lead to root rot.

Repotting your Calathea every couple of years can also refresh the soil and give the roots more room to grow. If you notice the roots circling the pot or emerging from the drainage holes, it’s time for a new home!

7. Pest Infestation

Pests can be a real nuisance for any plant lover. If your Calathea isn't growing, it might be battling an unseen enemy. Common pests like spider mites, aphids, and mealybugs can sap the plant's energy and stunt its growth.

Here’s how to tackle pest problems:

  • Regular Inspection: Make it a habit to check your plant regularly for signs of pests. Look for webbing, sticky residue, or tiny insects on the leaves.
  • Natural Remedies: If you spot pests, try using natural remedies like neem oil or insecticidal soap. These options are less harmful to the plant and safer for your home environment.
  • Isolation: If you identify a pest issue, isolate the affected plant to prevent the infestation from spreading to other plants.

While it might seem like a daunting task, dealing with pests is part of the journey of being a plant parent. With a little vigilance and timely action, you can keep your Calathea healthy and pest-free.

8. Stress from Relocation

Plants, much like people, can get stressed from changes in their environment. If you’ve recently moved your Calathea to a new spot in your home, it might be experiencing a bit of shock.

Here’s how to help it settle:

  • Give It Time: After moving, give your plant a couple of weeks to adjust. Avoid making additional changes during this period.
  • Monitor Conditions: Ensure that the new location meets its light, humidity, and temperature needs.
  • Minimal Disturbance: Try not to repot or prune your plant immediately after moving it. Let it acclimate first.

Relocation stress is usually temporary, and with a little patience, your Calathea should start to thrive again. Sometimes, simply observing your plant and letting it guide you to what it needs can be the best approach.

9. Natural Growth Patterns

Lastly, it’s important to remember that plants have their own rhythms. Calatheas, like many houseplants, have periods of dormancy, especially in the cooler months. During this time, growth may slow down naturally.

Here’s how to differentiate between natural dormancy and other issues:

  • Seasonal Changes: If it’s winter or fall, your Calathea might just be resting. Focus on maintaining its care routine, and it should pick up again in the spring.
  • Observe Leaf Health: If the leaves are healthy and there are no signs of pests or diseases, reduced growth could simply be part of its natural cycle.
  • Patience is Key: Understand that growth rates can vary and giving your plant time can often be the best course of action.

While it can be frustrating to see your plant not growing, sometimes a little patience and observation can reveal that everything is perfectly normal.

Final Thoughts

To sum up, there are a variety of reasons why your Network Calathea might not be growing, from lighting and watering issues to humidity and pest problems. Understanding your plant’s specific needs and environment can help you get to the root of the problem.

At Cafe Planta, we’re passionate about helping you care for your plants. Whether you’re looking for new additions to your collection or need advice on plant care, we’re here for you. Feel free to reach out via email or drop us a message on Instagram. We believe in the power of plants to connect us to nature and each other, and we’re excited to share this journey with you!

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