There is nothing more frustrating than a plant that fails to thrive. Or seeds that do not germinate due to poor quality potting soil!
While we go to great lengths to nurture our garden and vegetable plots, it is too easy to neglect our potted plants and the nutrient-rich soil they need to flourish.
So – here is one of the most popular questions gardeners ask us. Does potting soil go bad? Or not?
- Does Potting Soil Go Bad? Or Can You Save It for Next Year?
- 3 Ways to Tell If Your Potting Soil Is Bad
- Potting Soil Going Bad? Read Our FAQs!
Does Potting Soil Go Bad? Or Can You Save It for Next Year?
Yes. For sure! Potting soil goes bad if your plants extract all of the nutrients. But – there are a few more variables to consider. The truth is that soil is a complex blend of organic and inorganic materials. It also contains a thriving mixture of microorganisms that keep the soil and our plants healthy.
Like any system, the soil needs constant maintenance to keep it in good shape. In the natural world? Soil maintenance happens through many complex processes, where new organic matter is continuously incorporated to become part of the soil.
But when it comes to our potted plants, many chains in this system are broken. Your potted plants get cut off – and isolated! The demanding nature of potting soil means that potted soil can expire.
In other words, yes. The potting soil goes bad! And will not be healthy enough to grow strong and vigorous plants.
So, whether you are trying to decide whether your plants need repotting, emptying old containers, or have found an old bag of potting compost in the shed, let’s find out how to tell if your potting soil has gone spoiled. sing nothing but three simple techniques!
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3 Ways to Tell If Your Potting Soil Is Bad
Here are the three best ways to test the health of your potting soil. Is your potting soil spoiled or depleted? These are the dead giveaways.
- The Potting Soil Gets Dense and Compacted
- The Potting Soil Smells Bad
- Your Plants Are Not Growing
We go into much further detail regarding these potting soil snafus – and how to solve each problem below.
We hope these help you grow happier and healthier plants!
1. The Potting Soil Is Dense and Compacted
Compact soil is a common problem in potted plants, where the volume of soil within the pot becomes too dense and firm.
In the natural world? The soil is constantly being moved underground by insects and microorganisms. This process cannot happen in your pots, and as water passes through the potting soil, it will become compacted.
If you cannot push a finger effortlessly into the top inch of your soil, it has become compacted and unhealthy. Compacted soil is a common problem when using compost that contains peat moss, as this breaks down and becomes compacted over time.
A Solution to Dense and Compacted Potting Soil
Your compacted potting soil needs the chance to expand! Break it free from the confines of the pot and gently loosen any large, firm lumps of hardened soil. To add some structure back into your soil, mix in a generous helping of coconut coir.
2. The Potting Soil Smells Bad
Potting soil that smells bad has most likely become waterlogged. Most homesteaders we talk to think garden soil is solid – and static. But this complex soil ecosystem needs air and water. Too much water means that the wrong type of bacteria will thrive, and the good bacteria will all die.
A Solution to Smelly Potting Soil
Waterlogged potting soil needs to dry out, so empty it from the pot onto a tarp (tarpaulin) or concrete slab in the sunshine. You can use this soil again, but it has gotten depleted.
It likely does not contain much organic matter and microorganisms. A good remedy is to mix it with some soil improver, well-rotted compost, or manure.
3. Poor Plant Growth
There are many reasons why some plants fail to thrive, but soil quality is often a key culprit. If your plants are in perfect environmental conditions but look stunted and poor? We bet the potting soil got drained of nutrients.
Remember that the soil in pots does not have the same opportunities to regenerate as the soil in the ground. The plant will soon take all the available nutrients, leaving a potted plant full of depleted soil.
A Solution to Depleted Potting Soil
Potting soil depletion is a situation where prevention is vital. You can keep your potting soil in good health by mimicking the natural cycle of soil health.
Add a top dressing of nutrient-rich worm castings or compost every few months to feed the soil. You can lightly mix this with the top inch or two of soil. The insects and microorganisms will do the rest.
Artificial fertilizers can be used as a quick fix to boost the health of your plants, but they will do nothing to replenish your depleted potting soil.
If you think the soil in your pot is past the point of rejuvenation, you will need to empty the soil pot and replace it with new potting soil. But don’t discard the old soil! There are some tricks to bring it back to life.
Potting Soil Going Bad? Read Our FAQs!
We know that making the right choice of soil for your plants can be a tricky business, so we’ve put together a comprehensive guide to how long your potting soil can last!
We love growing a multitude of potted plants!
We grow everything from tomatoes, zucchini, and jalapeno peppers, to potted herbs and flowers.
We love them all!
We also know that all potted soil eventually goes bad.
We hope our guide helps shed light on how to rejuvenate potted soil – even if it depletes entirely.
If you have more questions about how to feed your potted plants, feel free to ask!
We spend much of the day gardening and love brainstorming potted soil with fellow homesteaders.
Thanks again for reading.
Have a great day!