British houseplant pests including aphids, fungus gnats, spider mites and scale – illustrated on houseplants in a natural setting
Identify, Prevent and Treat Naturally

Houseplant Pests & Bugs

Your go-to guide for tackling pests naturally — from fungus gnats to spider mites — and keeping your houseplants healthy, thriving, and chemical-free.

If you love houseplants, you’re not just growing greenery — you’re welcoming life. And sometimes, that means a little more life than you planned for. At Happy Houseplants, we know that spotting the odd bug isn’t a disaster — it’s a natural part of cultivating a thriving indoor ecosystem.

Warm rooms, filtered light, and lush foliage make a perfect home for tropical plants — and an inviting stop-off for creatures like fungus gnats, spider mites, aphids, and more. While some visitors are harmless or even helpful, others can damage leaves, stunt growth, or spread from plant to plant.

But don’t worry — pests are part of the process, and you’re not alone. Whether you’re dealing with mealybugs on your Monstera or whitefly on your Ficus, this guide will help you identify, treat and prevent common indoor plant bugs without resorting to harsh chemicals.

Most houseplant bugs appear in warm, damp conditions — so spring and summer in the UK are peak times for pest activity. Watch for pests when repotting, after holidays, or during humidity spikes.

This is your complete hub for natural, effective houseplant pest care — designed with British homes, plants and people in mind.

🪲 Explore Our Pest Help Guides

Learn how to identify and manage common bugs on houseplants — naturally, kindly, and without harsh chemicals. These are some of the most frequent visitors we see on tropical plants in UK homes:

Each guide includes natural treatments, prevention tips, and honest, no-panic advice — so you can restore calm and keep your houseplants thriving.

FAQs about Houseplant Bugs

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FAQs about Houseplant Bugs

What are the tiny flies in my houseplant soil?
They’re likely fungus gnats. They’re harmless to humans but can damage roots in large numbers. Letting soil dry out between waterings and improving airflow helps reduce them. Read more in our care tips blog.

How do I treat aphids naturally?
Wipe them off gently with a damp cloth or spray with diluted neem oil. Avoid harsh chemicals indoors — they can harm your plant and disrupt your indoor ecosystem. Learn about our approach in keeping your houseplants happy.

Are houseplant pests common in the UK?
Yes — especially in spring and summer when homes get warmer and more humid. Pests like spider mites, scale, and aphids are common but very treatable. Our shade-loving plants guide also includes care ideas to help keep pests away.

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Looking for more help?

Browse our full houseplant care blog or explore our curated collection of easy-care houseplants.