Singapore’s warm, humid climate is great for plants — and just as good for the pests that feed on them. Catching an infestation early makes the difference between a quick spray and losing a plant, so it helps to know what you’re looking at.
Spider mites
Tiny enough to miss until you spot fine webbing between leaves or stems, spider mites cause a stippled, speckled look on leaves as they feed. They thrive in dry indoor air, so plants sitting near air-con vents are especially at risk.
Mealybugs
White, cottony clusters tucked into leaf joints and stem nodes are the giveaway. Mealybugs feed on sap and leave a sticky residue behind that can lead to sooty mould if left untreated.
Fungus gnats
Small flies hovering around the soil surface are usually fungus gnats, whose larvae live in damp topsoil and feed on organic matter and fine roots. They’re more of a nuisance than a serious threat on their own, but they’re also a sign your soil is staying wetter than it should.
Aphids and scale
Aphids cluster on new growth and flower buds, while scale insects look like small, immobile bumps along stems. Both feed on sap and can weaken a plant significantly if colonies are left to grow.
Treating an infestation
A broad-spectrum, organic option like Plant SHIELD covers most common houseplant pests in one product, treating active infestations on contact while leaving residual protection against new ones. Spray every few days until the infestation clears, then drop to a lighter maintenance schedule to keep pests from coming back — regular prevention is far easier than repeat treatment.
Explore the full plant care range for more ways to keep your plants healthy.