Controlling pests on houseplants
Houseplant pests multiply quickly in warm, dry indoor air and spread from one plant to another. If you identify them in time, most can be eliminated by showering, pine soap and isolation.
You will need
- A magnifying glass or phone camera
- Pine soap (mäntysuopa) or insecticidal soap for houseplants
- A spray bottle
- Yellow sticky traps
- Cotton buds and denatured alcohol for mealybugs
Steps
Check your plants regularly
Look at the undersides of the leaves and the leaf axils once a week. Silvery patches suggest thrips, fine webs spider mites and white cotton-like growth mealybugs.
Isolate the infested plant
Shower the plant
Treat with a soap solution
Remove mealybugs by hand
Get rid of fungus gnats in the soil
Increase the humidity
Consider biological control
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