Should I throw away infected houseplants?

Most houseplant pest problems can be treated successfully, especially when they are caught early. However, in some situations it may be better to remove a plant from your collection to protect the rest of your plants. A plant may be difficult to save if it is heavily infested, repeatedly relapses...

Why do I keep getting pests on my houseplants, even after treating them?

Repeated pest outbreaks can be frustrating, especially when it seems like treatments are not working. In most cases, the issue is not the treatment itself but how pest life cycles work indoors. Many common houseplant pests, including thrips, spider mites, and fungus gnats, reproduce quickly and l...

Should I quarantine new houseplants?

Yes, quarantining new plants before adding them to your main plant collection is one of the most effective ways to prevent pest outbreaks indoors. Many pest problems begin with a single new plant that looks healthy but carries hidden insects or eggs. Because pests such as spider mites, thrips, an...

How do I get rid of scale insects on houseplants?

Scale insects are unusual pests because they look less like insects and more like small bumps attached to plant stems or leaves. These pests feed on plant sap and can slowly weaken houseplants if left untreated. Scale insects protect themselves with a hard outer shell, which makes them more diffi...

What does thrips damage look like on houseplants?

Thrips are one of the most frustrating pests for houseplant owners because they are extremely small, fast-moving, and capable of causing damage before they are even noticed. Learning to recognise thrips damage early can make the difference between a quick treatment and a full plant collection out...

How do I get rid of spider mites on houseplants?

Spider mites are one of the most common indoor plant pests. These tiny insects feed on plant sap, causing pale speckling on leaves, yellowing, and fine webbing between stems and foliage. If you spot spider mites, act quickly: Isolate the affected plant to prevent spreading. Rinse the foliage ...

How do you treat mealy bugs on houseplants?

Mealybugs are small pests that appear as white, cotton-like clusters on stems, leaf joints, and the undersides of leaves. They feed on plant sap and can weaken plants over time if left untreated. To treat mealybugs: Remove visible bugs manually, especially in leaf joints and crevices where they...

How do I get rid of fungus gnats in potting soil?

Fungus gnats are small flies that hover around houseplants and lay eggs in moist potting soil. Their larvae live in the top layer of soil and can damage roots if populations grow large. The best way to control fungus gnats is by adjusting watering habits. Allow the top layer of soil to dry slight...

What are the most common houseplant pests?

Indoor plants can attract a range of pests, but a few species are responsible for most infestations. The most common houseplant pests include: Spider mites – tiny pests that cause speckled leaves and fine webbing Thrips – slender insects that damage leaves and cause silvery streaks Mealybug...

How do I know if my houseplant has pests?

Houseplant pests are often small and easy to miss at first, so regular inspection is the best way to catch problems early. Look closely under the leaves, along the stems, and around stem joints, where many pests like to hide. Common signs of pests include: Tiny moving dots on leaves or stems ...