Houseplant on a wood-effect floor
Can houseplants tolerate underfloor heating?

Is underfloor heating a problem for houseplants?

Most houseplants are not bothered by underfloor heating in the slightest. However, the plants should be watered more than before. The heat that transfers from the floor directly into the pot and the plant's substrate causes water to evaporate more quickly. For heat-sensitive plants, high temperatures may be harmful. In this case, you can, for example, use a saucer to move the plant away from the floor. Coasters with wheels are particularly useful, as they make it easier to move the plant.

Protect houseplants from the heat of underfloor heating

The easiest way to do this is to try to get the plant off the floor. Often furniture or other items can be used for this purpose. If that's not possible, you can also place a mat under your houseplant. If the mat conducts heat poorly, the plant will receive less heat from the underfloor heating. For example, cork discs are suitable as a mat because they conduct heat poorly.

Suitable coasters to isolate plants from the heat of underfloor heating

There are different types of plant coasters that you can use to easily elevate your plant a bit off the floor.

Small rubber feet as coasters raise the pot a little off the floor without the coasters being very noticeable. Such coasters are quite cheap, for example, on Amazon.
View on Amazon*

Rollable plant coasters have the additional advantage that you can easily move the plant. These coasters are available in both wood and metal. In my opinion, the wooden version is more beautiful, but you should make sure that it's not wood that swells once it gets wet or humid. Since there are also very nice ones on Amazon, I've linked them here.
View on Amazon*

Another option is small cork plates, which are also known as coasters for pots.

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