Why do indoor plants die, even when we try our best to keep them alive? I have asked myself this question many times. I love plants, but I have also made mistakes that killed them.
At first, I didn’t know what I was doing wrong. I watered them, gave them sunlight, and still, they didn’t survive. Then, I realized that small mistakes can slowly harm plants. Over time, I learned what works and what doesn’t.
In this article, I will share my own experience and the five biggest mistakes that can kill indoor plants. If you love your plants and want them to stay green and healthy, avoid these common mistakes. Let’s save our plants together!

How to Keep Indoor Plants Alive: Avoid These 5 Costly Mistakes
The 5 Biggest Mistakes
Indoor plants are amazing for brightening up your home. But no matter how hard I tried, some of my plants kept dying. Over time, I realized there were a few big mistakes I was making without even knowing it. These mistakes were slowly killing my plants. Once I figured them out, I was able to keep my plants alive and thriving. Here are the five biggest mistakes I made and how you can avoid them.
1. Overwatering – The Silent Killer
I used to water my plants every day, thinking they needed it. At first, they looked fine, but soon, they started drooping and dying. I didn’t realize that overwatering was one of the worst things you could do to a plant.
Plants need water, but they also need the soil to dry out between waterings. If the soil stays too wet, the roots can rot. This was happening to my plants because I wasn’t letting them dry out before watering them again. Overwatering is one of the easiest mistakes to make, especially if you’re worried about your plants drying out.
How to Avoid Overwatering:
- Check the soil: Before watering, stick your finger in the soil. If it’s dry, water it. If it’s still wet, leave it for a few days.
- Use a pot with drainage holes: This allows excess water to escape, preventing water from collecting at the bottom.
- Water less often: Most plants don’t need water every day. Water when the top few inches of soil feel dry.
By following these simple steps, I stopped overwatering, and my plants started thriving again.
2. Not Enough Light – The Struggle for Sun
Light is everything for plants. I used to place my plants in dark corners, thinking they would do just fine. What I didn’t realize is that plants need sunlight to grow and stay healthy. Without it, they’ll slowly wither away.
Some plants need a lot of sunlight, while others only need a little. I learned the hard way that not all indoor spots get the same amount of light. Just because a spot looks nice doesn’t mean it’s right for a plant.
How to Avoid Low Light:
- Know your plant’s light needs: Research what kind of light your plant needs. Some plants love bright light, while others do well in low light.
- Move your plants to brighter spots: If your plant looks weak, try moving it to a sunnier area.
- Use artificial grow lights: If your home doesn’t get enough natural light, consider using grow lights to give your plants the boost they need.
Once I started giving my plants the right amount of light, they flourished.
3. Wrong Temperature – Too Hot or Too Cold
Another mistake I made was not paying attention to the temperature. Plants, like people, don’t like extreme temperatures. If it’s too hot or too cold, they can start to show signs of stress. I once left a plant near a heater, thinking it would stay warm. The poor thing dried up within days.
Plants have a sweet spot for temperature. Some like it warm, while others prefer it cooler. If the temperature goes beyond what they’re used to, they’ll have a hard time staying healthy. I learned that keeping plants in a stable, comfortable temperature was the key to success.
How to Avoid Temperature Problems:
- Avoid temperature extremes: Keep plants away from heaters, air conditioners, or drafts.
- Keep the room temperature steady: Most indoor plants like temperatures between 60°F and 75°F.
- Move plants during seasonal changes: In winter, place plants away from cold windows. In summer, avoid hot, sunny spots.
After adjusting the temperature, I noticed my plants looking happier and healthier.
4. Not Using the Right Soil – The Foundation of Life
Soil is like the foundation of a building. Without it, the plant can’t grow properly. I didn’t realize that not all soil is the same. Using the wrong kind can cause problems like poor drainage, root rot, or lack of nutrients.
Each plant has its own soil needs. Some plants prefer fast-draining soil, while others need a more moisture-retentive mix. Using regular garden soil for indoor plants was one of my biggest mistakes. It was too heavy and didn’t drain well enough, causing my plants to suffocate.
How to Use the Right Soil:
- Research your plant’s soil needs: Some plants need well-draining soil, while others like moisture-retentive soil.
- Use potting soil for indoor plants: Always use high-quality potting soil. It’s designed to drain well and provide the right nutrients.
- Repot when necessary: If you notice the soil getting compacted or your plant outgrowing its pot, repot it into fresh soil.
Once I switched to the right soil, my plants’ growth improved dramatically.

5. Not Properly Fertilizing – Starving Your Plants
I didn’t understand the importance of feeding my plants at first. I thought that just watering them would be enough. But plants, just like us, need food to grow. I learned that if I didn’t fertilize them regularly, they wouldn’t get the nutrients they needed to thrive.
Indoor plants grow slower than outdoor plants, so they don’t need as much fertilizer. But without it, they won’t reach their full potential. I made the mistake of not fertilizing, and my plants started looking weak and yellowish.
How to Fertilize Properly:
- Fertilize during the growing season: Most plants grow in spring and summer. During this time, fertilize them every 4-6 weeks.
- Use the right fertilizer: Choose a balanced fertilizer with equal amounts of nitrogen, phosphorus, and potassium.
- Don’t over-fertilize: Too much fertilizer can burn your plant’s roots. Stick to the recommended amount.
Once I started fertilizing my plants correctly, they grew faster and looked much healthier.
Tips for Keeping Indoor Plants Healthy
I love keeping indoor plants. They make my home feel fresh. But taking care of them takes effort. Over time, I have learned some useful tips.
Choose the Right Plant
Not all plants grow well indoors. Some need a lot of sunlight. Others can survive in low light. I always check a plant’s needs before buying it. Snake plants, pothos, and peace lilies do well indoors.
Water Properly
Watering plants the right way is important. Too much water can rot the roots. Too little water makes leaves dry. I touch the soil before watering. If it feels dry, I water the plant. If it’s still moist, I wait a day or two.
For a complete guide on watering indoor plants, check out How to Water Indoor Plants: A Beginner’s Guide.
Use the Right Soil
Good soil helps plants grow healthy. Some plants need fast-draining soil. Others need rich, moisture-holding soil. I use a mix of compost, perlite, and sand for drainage. This helps plants get enough air and nutrients.
Give Enough Sunlight
Light is food for plants. Without it, they become weak. I place my plants near windows for natural light. If sunlight is not enough, I use grow lights. I also rotate my plants every week so all sides get light.
Keep the Right Temperature
Indoor plants like stable temperatures. Extreme heat or cold can stress them. I keep my home between 65–75°F. I also keep plants away from heaters, air conditioners, and cold drafts.
Maintain Humidity
Some plants love humidity, while others prefer dry air. Tropical plants need more moisture. I mist my plants with water every few days. For extra humidity, I place a tray of water near them. A humidifier also works well in winter.
Clean the Leaves
Dust can block light from reaching the leaves. This can slow plant growth. I wipe my plant leaves with a damp cloth every week. This keeps them fresh and clean. For small plants, I give them a gentle shower.
Fertilize Wisely
Plants need nutrients to grow. Too much fertilizer can burn the roots. I feed my plants once a month during spring and summer. In the fall and winter, I use less fertilizer since plants grow slowly.
Prune When Needed
Pruning helps plants stay in shape. It also removes dead leaves. I cut off yellow or brown leaves with clean scissors. This keeps my plants looking fresh. For fast-growing plants, I trim them regularly.
Repot When Necessary
As plants grow, they need more space. If roots fill the pot, I repot them. I chose a pot that is one size bigger. I also use fresh soil so the plant gets new nutrients.
Watch for Pests
Pests can harm indoor plants. Common pests include spider mites, aphids, and fungus gnats. I check my plants often for bugs. If I see pests, I spray the leaves with neem oil or soapy water.
Avoid Overcrowding
Plants need space to breathe. If I place them too close, air can’t flow. This can lead to mold and disease. I keep some space between my plants to keep them healthy.
Be Patient
Plants take time to grow. I don’t expect results overnight. With proper care, they will thrive. I enjoy watching them grow every day. Taking care of plants makes me happy.

Conclusion
Taking care of indoor plants isn’t always easy. I learned the hard way that overwatering, poor light, temperature extremes, bad soil, and lack of fertilizer are the five biggest mistakes that can kill your plants. But once I figured out these mistakes and corrected them, my plants started to thrive.
I now take the time to research each plant’s needs before bringing it into my home. I make sure they get the right amount of light, water, and nutrients. I also check the temperature and ensure they’re in the right soil. By avoiding these mistakes, I now have a home full of healthy, thriving plants.
Indoor plants bring so much joy, and taking care of them doesn’t have to be difficult. If you avoid these five common mistakes, you’ll see your plants grow strong and beautiful. Just remember, patience is key. With a little attention, your indoor garden can flourish.
FAQ
Indoor plant problems
Indoor plants face issues like yellow leaves, root rot, and pests. Overwatering, poor light, or nutrient deficiency cause most problems.
Why do indoor plants die
Plants die from too much water, lack of light, or poor care. Checking water, light, and soil helps keep them alive.
Indoor plant not growing
A plant may stop growing due to low light or poor soil. Using fertilizer and proper light helps plants grow better.
Which plant can destroy 6 futures?
No plant can destroy six futures. This may be a myth.
What is the biggest killer of indoor plants?
Overwatering is the main reason indoor plants die. It causes root rot and blocks oxygen flow.