Ways to Prevent and Solve White Mould on Terracotta Pots

Views: 225     Author: Vickey     Publish Time: 2023-12-13      Origin: Site

If you are an avid gardener, your room has to be filled with terracotta pots that are packed with all types of greenery. Terracotta pots are lovely, and the earthy, reddish-brown colour's simplicity offers peace and warmth. But after a while of use, white mould develops on terracotta pots, detracting from their aesthetic appeal. Just like any other material, terracotta requires upkeep. The good news is that you can restore their beauty by just following a few easy procedures, as they are low-maintenance pots.

This post will provide you with a comprehensive explanation of the causes of this white residue and how to get rid of it.

Popular Choice: Terracotta Pots

Plant enthusiasts prefer traditional terracotta pots because they are attractive and simple to use. It's not just the colour that makes them appealing, though. Because terracotta has other exceptional qualities, people choose it as a material for plant pots.

They are incredibly permeable and porous. Terracotta pots are made of clay, which allows moisture and fresh air to move through them more quickly than plastic pots. As a result, without being overwatered, the roots receive enough nutrients and water to thrive.

Since the terracotta pots are constructed of natural clay rather than artificial materials that have undergone extensive processing, they are unquestionably an environmentally responsible addition to the garden.

Since they offer the plants a more natural appearance, these clay pots are undoubtedly aesthetically pleasing.

Terracotta pots are easy to customise. If you're tired of the interior design of your house, painting a few pots will make a big impact.

Preventing the soil and roots from being continuously exposed to moisture during the winter months is another advantage of the moisture-absorbing quality.

Causes of the Growth of Mould on Terracotta Pots

1.The level of humidity

The ideal conditions for mould growth are those that are damp and humid. Because terracotta pots absorb the most moisture, their always-wet pores make them an ideal medium for the growth of white mould.

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2.Regular watering

White mould on terracotta pots can also develop as a result of some plants needing frequent watering.

3.Insufficient sunlight

Inadequate sunshine is another element that promotes the growth of mould on pots. In clay pots, white mould grows because the water within the pot stays dark. Therefore, be cautious while placing your pots in direct sunlight.

Are Plants Affected by White Mould on Pots?

The first time you see white mould forming on clay pots, especially if you are new to gardening, you could become very anxious. But there's no reason to be concerned. The plant's growth won't be hampered by the white mould, especially if it hasn't yet spread throughout the pot. Even if the white mould you see on the pots doesn't kill your plants, it could nevertheless harm them over time.

Furthermore, it might be detrimental to you. This is due to the saprophytic fungus's infectious nature, which allows it to infect humans when exposed to it repeatedly. As a result, eliminating these unwanted growths is essential for preventive hygiene.

Last but not least, the pots with white mould don't seem nice. Furthermore, you don't want these pots covered in white degradation to have an impact on the interior of your room.

How to Keep Pots Free of White Mould?

The following advice will help prevent mould from growing within the terracotta pots:.

1.Appropriate sunlight

Make sure the plants receive enough sunlight. One of the best ways to keep mould away is through direct unlight. It also destroys any mould that may be forming in the pot. To keep your indoor terracotta pots looking beautiful, occasionally expose them to sunlight.

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2.Sufficient drainage

Terracotta takes up moisture and water from the soil because it is porous. Mould growth is more likely in damp soil. Thus, proper drainage is essential to avoiding mould in your pots. The pot's bottom will remain wet if the drainage system is inadequate or if soil has clogged the openings.

3.Prevent getting wet

Overwatering is the most common error made by novices. When the soil is dry, most plants prefer to be watered. Continue watering the plants even after the soil is dry, as this will promote the growth of mould and other issues. It is never good for a plant's growth to overwater it. Therefore, you should water your plants only when the soil is sufficiently dry to prevent the growth of mould.

4.Steer clear of humidity

The best circumstances for mould and fungus to grow are those that are humid. A high-humidity environment combined with a porous pot that takes in moisture is ideal for the growth of mould. To prevent creating the ideal environment for the formation of mould, try to keep the pots away from moisture.

5.Eliminate dead leaves

Dead leaves that build up in the top layer of the soil in the pot also support the growth of fungi. When combined with other factors like dampness, the foliage promotes the rapid growth of fungus and mould. If you remove the dead leaves in a timely manner, you can also stop the spread of fungi from happening.

6.Increasing airflow

Mould growth on pots is more likely to occur if you live in a humid environment. However, by maintaining sufficient air circulation and enhancing ventilation, you can manage and avoid the growth of mould.

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7.Glazing pots

Typically, terracotta pots are unglazed. You can shield the pot from surroundings that encourage the growth of mould by sealing it. Because glazed pots are less porous than unglazed ones, you will need to be careful while watering your plants. Nevertheless, glazing the unglazed pots is a good way to give them a fresh, clean look.

In Summary

With any luck, this post may assist you in resolving the white mould issue in your terracotta pots. Moreover, you can restrict the formation of mould in the pots by using preventive measures.

If you enjoyed reading this article, please post a comment. Additionally, for additional articles about plants and planters, check out our website.

Frequently Asked Questions

1.What is the white substance that is developing on my ceramic pots?

Mineral deposits or white mould could be the cause of the white, chalky residue on the terracotta pots. Despite their similar appearances, you can tell them apart with ease. The white residue is just salt and mineral deposits from the hard water if it forms in flat spots and feels firm to the touch. However, white mould is forming on your terracotta pot if the white material is slightly higher on the pot and feels fluffy to the touch.

2.Why is mould forming in my terracotta pots?

The primary ingredient in mould growth is moisture. Terracotta may absorb moisture because it is porous. The soil retains water if there is high humidity, inadequate drainage in the pot, insufficient sunlight, and excessive watering. The soil's moisture content might foster the formation of mould.

3.Is it okay to have mould on ceramic pots?

Although washing the mould is preferable, white mould does not pose a threat to plants. If it is overlooked, it may cover the roots of the plant, making it waterproof. As a result, the roots won't be able to take up enough water, which may cause dehydration and possibly kill the plant.


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Shenzhen Naturalzones Ecotech Co.,Ltd
 212, Building C, Qiaode Tech Park , Yutang Street, Guangming Distric, Shenzhen City, China 518107
  +86 137 2648 7300
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