Softened water on plants are not an advisable option for your foliage the vast majority of the time. This is because water that has been softened typically contains a high amount of sodium, which is obtained from salt, and the plant may be harmed in the process. This guide will make an effort to respond to this question in a more in-depth manner.

Softened Water on Plants

In addition, if you are thinking about removing the salt water for your plants for delightful foliage, read this article as soon as possible because it contains the information you will need.

Can Softened Water on Plants Be Used?

💥 No, it is not recommended to use soft water as they lack different minerals. The sole source of water for plants as they have dissolved sodium chloride in them, which can lead to a slow accumulation of salts in garden soil. This can lead to difficulties with the plant’s growth.

In addition to this, it is also not recommended to water the trees in the garden with softened water for an extended period. As a result of this answer, it means that this type of water would harm trees however, using softened water for a shorter period is not likely to cause significant damage to the trees.

What Are the Effects of Soft Water on Plants?

The effects of soft water on plants are having disrupted natural water cycle, in addition to weakening and perishing the roots. Moreover, it would also start building up of salt, and altering the pH in various ways. These alternatives will weaken your plant in the long run.

Soft Water Effect on Plants

When you aim to have a session of irrigating with softened water to your beautiful plant, remember that there is no harm in using a bit of soft water here and there. On the other hand, using it frequently results in the following problems, and may even damage it. 

– Disrupts Natural Water Cycle

The use of water that has been softened on plants and gardens can disrupt the natural water cycle, which can cause damage to the plants. Additionally, the softened water may lead the plants to believe that they have absorbed more water than they actually have, which may lead to the plants’ death. This is due to the fact that the water in your garden has been softened, the plants there are more likely to die from drought than they are from an excess of water.

– Roots Perish

The softened water has excessive salt in it, which causes severe damage to the plant’s foliage and contributes to the accumulation of salt in the soil. 

As time passes by, it will work its way into the roots, preventing them from drawing oxygen and nutrients from the soil as they normally would, because this is the ecology and the system of how the plant survives. As a direct consequence of this, the plant will perish over time.

– Build Up of Salt

Not only is it likely that the salt in your softened water will be harmful to your plants, but it also has the potential to collect in your soil, which would then render it incapable of supporting the growth of any new plants in the foreseeable future. This situation presents a double whammy of potential problems. Therefore, from a purely logistical standpoint, it will render that portion of land unusable.

Build Up of Salt

The reason why this water is not a healthy one for your plant is that the mineral known as potassium chloride is an essential nutrient for plants, it is okay if you are watering plants with potassium softened water, which means that the water itself is a softer variety, however, it has this component active in the water.

– Alters pH

In contrast to hard water and its acidity levels, soft water has a higher acidity level, which lowers the pH of the surrounding soil. This may not be beneficial for some plants, which need an alkaline atmosphere to thrive. The pH is one responsible for the plants to perform better when it comes to producing healthy fruits and vegetables, and as you would lower the pH by irrigating it with soft water, you would be damaging your plant. 

How To Flush the Salt Out of Softened Water for Your Plants?

To flush the salt out of the softened water for your plants you must let the water sit for some time, and dilute it before the irrigation process. After, you may leach the soil with the filtered water, using filtration with reverse osmosis, you can even install a bypass spigot.

Do you have a garden where you can grow plants and want to know how to remove salt from softened water for plants? It is important to have proper knowledge about the process of removing salt from softened water so that it can be used on your plants. 

The ability of plants to take in water and nutrients can be hindered by sodium, and it is essential to flush the salt out of water that has been softened before utilizing the water for plants. You can use this water once a while, but make sure that you do not use it in a prolonged way. 

– Let the Water Sit for Some Time

If you live in an area where the water from the tap is on the softer side, the easiest solution is to wait twenty-four hours and let it sit for the duration before you use it. 

Sit the Water for Some Time

If you do this, some of the salt in the water will be able to settle out, which will make the water better to use for your plants. You can then collect the water that’s on top, as the salt would be settled.

– Dilute Before Use

Before using your soft water, dilute it with water options that have been distilled or bottled water. When combined with soft water, distilled water will cause a reduction in the amount of sodium that is present in the final product. 

This is due to the fact that distilled water is nearly devoid of all of the naturally occurring minerals and chemicals that are found in water. Moreover, in order to make your water more dilute, fill your preferred watering can with an equal amount of distilled water and softened tap water and stir it in.

On the other hand, if you wish to have another option, you could also try combining the water that you have softened with rain water that you have collected. Because of this, the effects of the salt in your softened water are diluted, and it will have less of a negative impact on your plants. 

However, you should be aware that the salt in the softened water will still accumulate in the soil. You must carry out frequent checks to determine the amount of salt in the soil to ensure that it isn’t hard water.

– Leach Soil With Filtered Water

To get rid of the buildup of salt in your soil, leach it with purified water. You can continuously water them with soft water causes sodium to build up in your soil, which in turn causes your plants to become ill and possibly damaged. 

The process of leaching, also known as the removal of salt from the soil, is an easy process that can be accomplished by adding purified water directly to the soil and allowing it to drain. Leaching your soil over time can also be achieved by installing a sprinkler system that uses filtered water.

– Filtration and Reverse Osmosis

The use of physical filtration is one of the most successful and widely used methods for removing salt from water, and this method also ranks among the most common. Filtration systems that use reverse osmosis water can remove salt from softened water in addition to a wide variety of other contaminants and tackle hard water. These can be hard for the plant to handle sometimes, hence it is a safe option to use soft water.

Reverse Osmosis

Water treatment with RO is a multi-step process. Systems that utilize reverse osmosis allow plants to access water that has been purified and is free of any potential hazards by using a specialized chemical process.

– Install a Bypass Spigot

Even though they have installed water softeners for the entire house, some homeowners continue to use an indoor or outdoor faucet or spigot with a bypass valve that is connected directly to the water supply provided by the municipality. 

Note that this is not a difficult task, and it could solve the issue of using naturally soft water on house plants that are grown indoors or outdoors. At times, this can be a problem because soft water can cause plant problems. Which means that you can make it clear to the company that will install your soft water tank that this is what you want, and they will do their best to fulfill your requirements.


You are now aware that soft water is not recommended for plants to make them thrive correctly and in a healthy manner. Let’s review everything we’ve discussed in the article and see what new information we’ve picked up:

  • It is not recommended to use soft water as the only source of hydration for plants because it contains dissolved sodium chloride, which can lead to a slow accumulation of salts in garden soil.
  • Using soft water hampers the growth of the plant, which may be affected leading to death. It can cause the natural water cycle to become disrupted.
  • It also has the potential to collect in your soil, rendering it incapable of supporting the growth of any new plants in the foreseeable future. This is a double whammy of sorts.
  • Salt that may have been used for water softening can make it more difficult for plants to absorb water and nutrients. Because of this, before making use of such water, it is imperative to flush the salt out.

Because you now know everything there is to know about soft water and how to remove salt from it, it will be easy for you to properly care for and water your plants in accordance with their specific needs. Your beautiful plants can be shielded from accusations of salt water damage and allowed to flourish in a way that is both delightful and beneficial to their health.

5/5 - (5 votes)