The soil of the potted plants at home is covered with white hairs. Are these molds harmful to people and plants?

During the process of growing flowers, I suddenly saw a lot of fluffy white mold growing on the soil surface of the potted flowers at home. Don't worry too much, it is not a difficult thing to deal with. These white molds are actually harmless saprophytic fungi that are easy to deal with. Here's how to remove mold naturally and safely.

. Is moldy soil bad for plants?

These white molds growing on the soil surface of potted plants will not harm the plants. There is mold even in the air around us, but there are generally very few molds (spores) in the air, as long as they do not gather Together, they can hardly be seen.

There are molds and fungi in every kind of organic soil. In fact, these are the ideal environments for growing flowers. As long as there are fungi and molds, there will be plants and life, but if a large number of molds accumulate, these white Hairy, competing with plants for nutrients.

If there are too many white hairs on the soil surface, it proves that there is an excessive lack of light; the ventilation of the environment is not good; or the soil is often wet and watering is too frequent. Improvements from these three aspects can ensure the recovery of plants Healthy, you can avoid these molds and plants fighting each other for nutrients.

. Specific operations for removing mold

If you want to remove the white mold on the soil surface of potted plants, you can first use physical methods to remove it. The topsoil can be scraped (shoveled) directly with a garden shovel or other tool.

can sprinkle a layer of cinnamon powder or diatom powder on the soil surface, and then sprinkle a thin layer to achieve bactericidal effect. Of course, you can also use the various fungicides on the market instead, which will prevent the mold from growing again.

The next step is to control the watering reasonably. Don't rush to water when the soil surface is about 3~5cm below the soil surface. This is to prevent the soil from being wet. In fact, let about 1/4 of the pot soil dry out, and then water it, you can prevent the mold from re-emerging.

If there is a tray at the bottom of the potted plant, there should be no standing water on the tray for a long time, and the standing water should be drained within 5-10 minutes.

Potted plants with moldy soil should be moved to a sunny place in time, and the light should be gradually increased to allow the potting soil to dry quickly.

If possible, move the potted plant outside for a day or two, exposing it to natural light and good ventilation. With proper light and good ventilation, mold will not be able to gather on the soil again.

If the potted plants are too seriously infected with mold, you can clean up the old soil, put the plants in new potting soil, change the pots in time, and pour a bactericidal solution after changing the pots.

. What should I do if the nutritious soil I bought becomes moldy?

Some friends may ask about the various potted soils purchased, including general-purpose nutrient soils, which are placed in the corners and white molds grow accidentally. Can these potting soils still be used?

If you are about to sow seedlings, you must not use these moldy soils for sowing, because there are many molds in these moldy soils, and molds can easily compete with the seedlings for nutrients.

If you plan to use these nutrient soils to grow common plants, you must pre-treat them. You can throw away these moldy parts, clean them up, put them in the sun for a while, and then mix some new nutrient soils, you can reuse them to grow flowers.

These molds on the soil are not actually harmful to people. Some friends may be more sensitive to mold, so they are prone to allergy to , especially some people who have allergic reactions to fungal spores .

. How to prevent mold growth?

Mold can never be removed, only to reduce mold, they are part of the soil, usually not harmful, only in excessively high temperature, plus the environment is particularly humid, poor ventilation, in such an environment, these molds It will gather together to form white fur.

In order to prevent the potted plants from growing too much mold, it is necessary to avoid excessive and frequent watering. The soil should not be continuously wet. Generally, wait for 3~5 cm below the soil to dry, and then water it in time. Before watering, be sure to check the potting soil. wet and dry conditions.

When planting flowers, you should also pay attention to increasing the ventilation of the environment. The higher the air humidity , the better the ventilation environment required.

It is also very important to give proper light to any plants. To maintain plants in a closed environment, you can turn on a small fan to increase the ventilation of the environment.

Tip:

In general, it is extremely easy to remove mold from pot soil, but we should remind everyone to avoid using vinegar to remove mold, because mold is particularly easy to survive in an acidic environment, using vinegar solution not only Does not remove mold and encourages them to multiply.