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Plants and Flowers Encyclopedia

Watering plants

All plants need water, some a little bit, and others a lot. We often use cold tap water to water around our plants, but that can be harmful for 2 reasons. The temperature of cold tap water can be too low for some plants. Some plants are sensitive to it. Also, the amount of lime in the water can be a burden on the plant. Then you better pour with lime-free water or rainwater.

Over-watering is the biggest cause of death for houseplants. When a houseplant gets too much water, its roots suffocate and are almost unable to absorb any nutrients, so it is advisable either to drain the water, e.g. through a leaking pot to a sub-pot, or simply to pay close attention to the amount of water poured.

Index

Hoofdpunten

  • All plants use water
  • Different plants have different water requirements
  • The amount also depends on the amount of sunlight and the temperature

Factors of the required quantity

To be able to determine how much water a plant needs, we have to look at different properties of the plant. To be able to determine the quantity, we look at the following points:

Plant Dimensions, Pot Dimensions, Soil Type, Pitch, Season and Temperature.

The size of the plant

Your plant has a certain size, both in terms of branching and leaves. The larger the plant, the more water it consumes. It also differs a lot according to the leaf surface, because evaporation takes place on the leaf surface.

The size of the pot

The size of the pot, the height and the width, determine how much soil is around the roots. Earth absorbs water, and the more soil, the more water can be absorbed. So determine the amount of water also based on the pot size. However, the more the plant is rooted, the less soil around the roots, the less water can be absorbed.

The type of soil / potting soil

Different types of soil have different capacities to absorb water and let water through downwards. An example of soil that absorbs a lot of water and releases it slowly is Vulcastrat.

Pitch

The water consumption of a plant also strongly depends on the location of the plant. A lot of light causes more water consumption and evaporation, so more water is needed. A higher ambient temperature also takes care of that. Or if a plant is in danger, it also consumes more.

Season

The seasons also have an effect on a plant's water consumption. In the winter, many plants are in a sort of resting position, which simply means they consume less water and grow less. Also, because of the lower ambient temperature and less sunlight, a plant consumes less water. In the summer, on the other hand, in a warm place, a plant can consume a lot of water again.

Heating and Air conditioning

Stoves and air conditioning affect the humidity of a room. A plant in a dry room will consume more water.

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Determination of the amount of water

You can determine how much moisture your plant needs on the basis of the above factors and that you can feel with your finger how moist the soil is already.

Does the soil feel dry to the touch? Does the surface become lighter in colour? Then give the plant a lot of water.

Does the soil feel slightly damp? Does some soil stick to your finger? Then give it average water.

If the soil feels damp, don't give it too much water.

If the soil feels very wet, drain the soil using holes in the soil and a collection tray, as you run the risk that the roots will suffocate and rot.

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How often should the plant be watered?

There are different types of plants with different water needs. First determine which category your plant falls into.

Always moist - If your plant should always be moist, water every day in warm environments and in colder environments or in the winter season once every 3 days.

Occasionally dry - Some plants, such as yuccas and agaves need to be a little dry from time to time, they also consume less water. Do not water until the soil has been dry for 3 days.

Usually dry - Other plants, such as Sansevieras, Cacti usually need to be dry. They consume very little water, and are at risk of weakening if they are watered more frequently. In summer the soil needs to be dry for 3 days, and in winter for 3 weeks.

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Application of Hydroponics

Hydroponics is a system that makes watering easier. It means that a water meter is placed in the plant combined with moisture retaining soil filling, such as Vulcastrat. The meter indicates when the plant needs water again, and when you are watering, it indicates when you have given enough, so this system is ideal to make watering easy, so take a look at our range of water meters!

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