How to Pick the Right Pot Size for Your Plants

How to Pick the Right Pot Size for Your Plants

November 6, 2023  |  Annuals, Houseplants, Indoor Plants
How to Pick the Right Pot Size for Your Plants

Anyone who has ever owned houseplants knows just how easy it can be to kill them by mistake. There are many ways you can kill a houseplant, including underwatering, overwatering, not giving it enough light, and leaving a growing plant in a pot that is too small. Either way, the result is the same: a dead plant and immeasurable disappointment. 

So, what is the key to keeping your houseplants alive? There are many things you must do to ensure a healthy houseplant, but one of the most important things you can do is regularly repot your houseplant every 12-18 months, depending on the plant's size and growth rate. In addition, it is also important to replace your potting mix and soil each time you repot. 

Repotting allows your plant to expand and grow and ensures that it has access to fresh nutrients for continued growth. If you are not repotting and re-soiling your plants regularly then it could cause your houseplant to meet an untimely death. 

In this post, we will give you a guide to repotting your houseplant and how you know when it is time to repot.

How to Know When It Is Time to Repot


Knowing when to repot a houseplant is crucial for its health and overall growth. Here are a few signs that indicate it's time to repot your plant. 

  1. Root overcrowding: If you notice the plant's roots circling around the bottom or sides of the current pot, it's a clear sign that the plant has outgrown its current container. This can lead to stunted growth and poor plant health.

  2. Excessive water drainage: When water drains too quickly from the pot, it could be a result of the roots taking up most of the space. This can lead to root rot and other water-related issues, causing the plant's overall health to decline.

  3. Stunted growth: If your plant's growth seems to have slowed down or come to a halt, it may be due to limited space in the current pot. Inadequate room for the roots to spread and absorb nutrients can stunt the plant's growth.

  4. Top-heavy plant: If your plant consistently topples over or leans to one side, it may be an indication that the pot isn't providing enough stability. Repotting into a larger container with fresh soil can help balance the plant and prevent it from toppling over. 

To ensure your plant thrives, be attentive to these signs and repot it as needed. Choose a container that is slightly larger than the current pot to allow for root growth and better water retention. By providing your houseplants with the right pot size, you can promote healthy growth and a beautiful plant display. 

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Your Guide to Repotting Houseplants 


Repotting houseplants is an essential task to ensure healthy growth and prevent issues such as root rot and stunted growth. To help you pick the right pot size for your plants, follow these simple steps: 

  1. Assess the current pot size: Check if your plant is root-bound or if it has outgrown its current pot. If the roots are circling the bottom or growing out of the drainage holes, it's time to repot.

  2. Choose a slightly larger pot: Select a pot that is 1-2 inches larger in diameter than the current one. This provides enough room for root expansion without overwhelming the plant.

  3. Consider the plant's needs: Different plants have different needs. For small plants like herbs, a shallow container is sufficient. For larger plants or those with top-heavy foliage, opt for taller or wider pots for stability.

  4. Ensure proper drainage: Look for pots with drainage holes to prevent excess water accumulation. If your favorite pot doesn't have drainage, layer the bottom with gravel or use a liner with holes to ensure proper drainage.

  5. Use the right potting mix: Choose a well-draining soil mix suitable for your plant type. This allows air circulation to the roots, preventing waterlogging and root rot.

  6. Repot with care: Gently remove the plant from its current pot, teasing out the roots if they're tightly wound. Place the plant in the new pot, ensuring it sits at the same level as before. Fill the remaining space with fresh potting mix and gently tamp it down.

  7. Water and settle: Water the plant well after repotting to settle the soil and help moisten the root ball. Avoid overwatering, as it can lead to root rot. Allow the plant to adjust in a shaded area before placing it in its usual spot. 

By following these steps, you can ensure the right pot size for your plants, promoting their health and providing plenty of space for growth. Happy repotting! 

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Choose the Right Plant and Pot at Knollwood Garden Center 


Repotting houseplants and outdoor plants can greatly lengthen their lifespans. New, bigger pots give your plants space to thrive and fresh nutrients through fresh soil. Too constraining of a pot will leave your plant suffocated and over time it will die. 

Be sure to repot your plant every 12-18 months, depending on its size and the rate of its growth, to give your houseplants a long lifespan. It is also important to bring potted plants inside during the winter to save them from winter's harsh chill.

If you are looking for a new pot, fresh soil, or advice on how to best care for your potted plants, then Knollwood Garden Center is here for you. We offer everything you need when it comes to gardens, potted plants, and more. 

Knollwood Garden Center is your choice for plants, seeds, pots, and expert plant advice. Stop by today for your fall gardening fix or click here to reach out to Knollwood Garden Center now! 

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