Sustainable Plant Practices: Eco-friendly Houseplant Pest Control
There’s nothing like spotting tiny bugs crawling across your prized monstera to send you into full-on panic mode. But before you reach for a chemical-laced spray that smells like a lab experiment, let’s talk about gentle, sustainable pest control methods that are kind to your plants and the planet.
Whether it’s fungus gnats fluttering out of your pothos or mealybugs on your succulents, there are natural solutions that actually work and most of them involve things you probably already have in your kitchen.
Don’t Panic
Most pests aren’t a sign that you’re a bad plant parent; they just happen. It’s easy to overwater (hello fungus gnats), buy a new plant that brings a few hitchhikers, or skip a dusting and create the perfect little hideaway for scale bugs. The good news is, most of these problems can be handled naturally and affordably.
Natural Pest Remedies That Actually Work
1. Neem Oil Spray (aka the MVP)
Mix a few drops of neem oil with water and a splash of mild dish soap in a spray bottle.
Shake and spray directly on leaves (top and bottom!) and stems every few days and gently wipe them with a glove or microfiber cloth.
Great for: aphids, spider mites, whiteflies, and fungus gnats.
Neem oil is biodegradable and safe for pets once dry, and it works by disrupting pests’ life cycles not nuking everything in sight.
2. Cinnamon for Fungus and Gnats
Sprinkle ground cinnamon on the surface of moist soil.
Cinnamon is antifungal and helps deter pesky gnats that thrive in soggy pots.
Bonus: it smells great.
3. Garlic or Onion Water
Steep crushed garlic or onion in hot water for a few hours, strain, and spray on affected areas.
It’s smelly, sure, but effective against aphids, mites, and general leaf-munchers.
If you’re composting food scraps, this is a smart way to squeeze one last use out of them.
4. Quarantine New Plants
When you bring home a new plant, keep it isolated for a week or two.
Watch for signs of pests before placing it near your other leafy babes.
It’s the plant equivalent of not moving in with someone after the first date; get to know them first.
5. Manual Removal
Use a damp cloth, cotton swab, or soft toothbrush to remove pests like mealybugs or scale.
For more stubborn infestations, wipe with a diluted rubbing alcohol solution (1:1 with water).
Gentle, hands-on care is often more effective than over-spraying.
Prevention Is the Best Pest Control
Keep your plants clean and dust-free to avoid pest-friendly buildup.
Make sure pots have proper drainage because wet, soggy soil is a fungus gnat’s dream.
Rotate plants every few weeks to give all sides light and airflow.
Use organic potting soil when possible… it’s less likely to bring in unwanted bugs.
A healthy plant is a resilient plant, and pests are way less interested in a well-tended green queen.
Skip the Chemical Sprays (Unless Absolutely Necessary)
A lot of over-the-counter pesticides aren’t just overkill. These sprays are often full of toxic ingredients that linger in your home’s air and can harm pets or beneficial insects in soil. Plus, tossing out a half-used bottle of harsh chemicals doesn’t exactly fit into the sustainable lifestyle we’re aiming for here. Finally, if all else fails, before jumping to last resort, google other ways to combat the houseplant pests you’re dealing with. This blog just covers a few remedies, but for bad infestations, they might not do the trick, but I can guarantee you many a plant parent have fought this battle, and many have likely posted about how they went about doing so online somewhere.
Final Thoughts
Keeping your plants pest-free doesn’t have to mean stocking up on sprays and plastic bottles. With a little know-how and a few items from your kitchen or cleaning shelf, you can treat your plants gently, naturally, and effectively. Houseplants thrive when they’re part of a low-waste, low-toxicity environment and honestly, so do we.
So the next time you see a fungus gnat take flight, don’t reach for the poison. Reach for the cinnamon.
Wishing you happiness and health,
Zoé & The Greenhaus Team