Indoor plants: diseases and treatments

Indoor plants: diseases and treatments

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Indoor plants: diseases and treatments. How to try your hand at growing indoor plants, from water to pests to be prevented, from position to repotting.

It is important that thehome grown plantsmanage to find the minimum conditions for their well-being.

Indoor plants:ideal temperature

In winter, too hot air from radiators is harmful to plants because it increases leaf evaporation, straining the plant. For this, calculate that the indoor plants they must be placed at least 3 meters away from the radiators. On the other hand, in winter, even the shelves near the windows are not the ideal position: drafts and sudden changes in temperature can greatly damage the plant.

To ensure low welfare of theindoor plantsjust use the principles of energy saving at home! Set a minimum temperature for the radiators. The ideal temperature for indoor plants varies between 15 and 19 ° C.

Not just the temperature: humidity control is also very important! Air that is too dry is not good for the plants, use humidifiers or tubs full of water to place on top of the radiators.

Pests of indoor plants:diseases and treatments

Houseplants are not disease free. The worst enemy is the cochineal which manifests itself with small white bows placed on the back of the leaves or at the base of the stem. The most fatigued plants suffer the attacks of the cochineal.

When they are few, the scale insects can be eliminated manually (perhaps with tweezers) but if the infestation has already been present for two weeks, you can use an anti-cochineal product to be administered at the foot of the plant.

If there are plants attacked by parasites in the garden, as a precaution, apply a generic fungicide product, effective against scab, gray mold and other fungal diseases.

In case of sick plants, we advise you to quarantine them during the whole treatment phase.

Watering of indoor plants

Before watering, always check the soil by digging a finger into the first three centimeters of substrate. If the soil is dry, continue with the irrigation.

In the case of houseplants near the windows, in winter or in case of particularly dry air, in addition to classic irrigation (which consists in wetting the ground) we recommend nebulizing.

Nebulization allows us toclean the leaves of houseplantsand at the same time guarantee humidity to the plant.

The water must be vaporized over the entire aerial part of the plant, evenly. Plants should not be sprayed in the presence of flowers. To irrigate by nebulization (with a spray bottle) use distilled water while for soil wetting avoid calcareous water. All the tips are on the page:irrigation of acidophilic plants. On this page you will find many tips fortreat acidophilic houseplants.

Indoor plants in the shade

If indoor plants are intended to furnish a shady environment, at least make sure that there is good air exchange and choose less demanding specimens from a light point of view. When the plant needs to be placed in shade or semi-shade, indoor plants that withstand low light conditions should be grown. Among these we mention:

  • Aglaonema commutatum
  • Aspidistra elatior
  • plants of the genus Bromeliads
  • Chamadorea elegans
  • Pothos
  • Monstera deliciosa

For the choice of indoor plants that do not need light, please refer to the page:low light houseplants.

Clean indoor plants

With spray irrigation we solve the problem of dust accumulating on the leaves. Unfortunately, spraying water on the leaves is not the only intervention to be done to clean indoor plants. Observe the soil and remove any weeds. If the water is not enough, to eliminate the dust, use the hairdryer using the power of the cold air jet. For succulents with thorns, the dust should be removed with a soft bristle brush.

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Photos: plant and care

Video: Plant Clinic Ep 3: Identifying and Eradicating Houseplant Pests (July 2022).


  1. Namo


  2. Quentin

    very valuable information

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