Thrips Be Gone: how to get rid of thrips

March 13, 2026

Battle of the Blades: Your Step-by-Step Guide to Getting Rid of Thrips on Houseplants

There is perhaps no sight more dreaded by a houseplant enthusiast than the telltale silvery sheen, speckled leaves, and tiny, black, elongated specks moving across their favorite Monstera. You’ve got thrips.

Thrips are insidious. They are minuscule insects that use their rasping mouthparts to puncture plant cells and suck out the contents. This leaves behind a trail of death and destruction, manifesting as distorted new growth, brown or silvery patches on leaves, and an overall decline in plant health. Worse yet, they have a complex life cycle that makes them incredibly hard to eradicate without a dedicated plan. They lay eggs inside the plant tissue, larvae feed on the leaves, pupae hide in the soil, and adults can fly to your other beloved plants.

Don't panic! Here at Peace Love and Happiness Club, we’ve fought this battle and won. Here is our definitive, step-by-step guide to reclaiming your plant collection from thrips.

The Thrips Lifecycle: Why One Spray Isn't Enough

To beat thrips, you must understand their multi-stage life cycle:

Egg: Laid inside leaves. Safe from most sprays.
Larva: Active feeders on foliage.
Pupa: Often dormant in the soil or in leaf litter.
Adult: Flying, feeding, and egg-laying machines.

Because of this, you must treat your plants repeatedly to catch each new generation as they emerge from the egg and pupa stages.

Step 1: Isolation and Pruning

As soon as you suspect thrips, immediate action is required.

Isolate: Move the infested plant to a "quarantine room" away from all other plants. A bathroom or a separate room is ideal. Check its neighbors closely.
Prune: If a few leaves are heavily infested and damaged beyond repair, snip them off with sterilized shears and seal them in a plastic bag before throwing them in the trash. This physically removes a massive chunk of the population.

Step 2: The Physical Washdown

Take your plant to the shower or sink. Using a gentle spray of lukewarm water, thoroughly wash the entire plant. Be sure to target:

The underside of every leaf.
The crevices where leaves meet the stem.
The top layer of soil (you can cover the pot with plastic wrap to minimize soil splash).

This process knocks off a significant number of larvae and adults, instantly reducing the immediate pressure on the plant. Let the plant dry before moving to Step 3.

Step 3: Immediate Contact Kill

Now that the population is reduced, it's time to bring out the arsenal. For the first phase of treatment, we recommend a rotation of contact sprays.

Using Captain Jack’s Dead Bug Brew: This is a fan favorite for organic gardening. Its active ingredient, Spinosad, is a natural substance that targets the nervous system of thrips when they eat or touch it. It’s highly effective against thrips larvae and adults. Thoroughly spray all leaf surfaces and stems.
Using Circadian Sunrise: If you prefer a natural, oil-based approach, Circadian Sunrise is excellent. It uses essential oils to suffocate and disable pests on contact while also offering fungicidal benefits. It's gentle on most plants but tough on thrips.

Rotation is Key: Alternate between these two sprays every 4–5 days. This prevents the thrips from building resistance and targets new adults and larvae emerging from eggs.

Step 4: Multi-Action and Medium-Term Protection

For a more severe infestation or if you need broader protection that includes fungicide and miticide, a multi-action spray can be used in your rotation.

Using Bonide Rose Shield: Though named for roses, this is a powerful insecticide and fungicide safe for many ornamentals. It offers both contact and systemic action, meaning it kills on contact and is absorbed into the plant to protect it from the inside.
Using BioAdvanced 3-in-1: Similarly, this product offers triple protection: insecticide, fungicide, and miticide. Its systemic action lasts up to 30 days, providing medium-term internal protection against thrips that try to feed on the leaves.

Step 5: The Soil Defense (Systemic)

Sprays only handle the foliage. You must also attack the pupae hiding in the soil.

Using Bonide Systemic Granules: This is one of the most effective tools for complete thrips eradication. Sprinkle the recommended amount of granules evenly over the soil surface and water them in thoroughly. The plant roots absorb the insecticide, transporting it throughout the entire vascular system of the plant. When any thrip (adult or larva) attempts to feed, they ingest the poison and die. A single application can protect the plant internally for up to 8 weeks, providing critical protection against any thrips emerging from eggs inside the leaf tissue.

Step 6: Continued Monitoring and Vigilance

You must repeat Steps 3 and 4 (the spraying) every 4–7 days for at least 3 to 4 complete life cycles of the thrips—which can take up to two months. Even if you don't see them, assume a new generation is about to hatch.

Use sticky traps (blue is especially attractive to thrips, but yellow also works) to monitor for remaining adults.

Conclusion

Getting rid of thrips is a marathon, not a sprint. It requires patience and a systematic, multi-pronged approach. By combining physical removal, contact sprays like Captain Jack’s and Circadian Sunrise, broader-spectrum sprays like Rose Shield and BioAdvanced 3-in-1, and the ultimate internal defense of Bonide Systemic Granules, you can win the war.

All the products mentioned in this guide are available at our store. Come visit us, and we'll help you assemble your thrips-fighting kit!

Disclaimer: Always read and follow the manufacturer's label instructions carefully before applying any pesticide to your plants. Test any new spray on a small, inconspicuous leaf first to ensure no phytotoxicity occurs.

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