High-quality product. I used it on both my garden plants and my house plants. I also had a poinsettia that was basically dead. I added this with biochar, and within two days, I had tons of new growth. Mind blown.
~ Jessica S.
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Why This Actually Works
DE doesn’t poison anything. It’s physics, not chemistry.
Fossil dust with razor edges. DE is fossilized diatoms — microscopic sea organisms encased in silica. Ground fine, it’s a powder covered in tiny sharp edges: harmless to you, brutal to a soft-bodied insect.
It works by contact. When a pest crawls across treated leaves or soil, the abrasive surface scratches its waxy coating. It loses moisture, movement gets hard, and the population drops — with no chemical action at all.
Pests can’t outsmart it. Synthetic sprays attack a nervous system, and pests evolve around that fast. There’s nothing to adapt to with a physical barrier. It’s why low-input growers have leaned on DE for decades.
Best on the active ones. It works on pests that are out and moving across surfaces, not the ones buried deep in the soil. Catch them on the march and you stay ahead.
That’s the how. Here’s what it controls.
What It Controls
DE is built for crawling and surface-dwelling pests. Here’s the list.
Ants & earwigs
Sowbugs & pillbugs
Thrips
Fungus gnat adults
Spider mites (surface)
Beetle larvae
Crickets & silverfish
Other soft-bodied crawlers
It works best on juvenile and active pests moving across plant surfaces — not pests buried deep in the soil.
The Rules (Apply It Right)
A few simple rules make DE safe, clean, and far more effective.
Apply it in water, not dry. Dry DE is dusty and easy to breathe in. Mixed with water it stops the dust, coats evenly, and reaches where pests travel. Wear a mask if you handle the dry powder.
Houseplants go outside. DE is safe for plants but dusty when dry. For houseplants, take them outside, apply, let it dry, then bring them back in. Never dry-dust indoors.
Reapply after rain or watering. DE only works while it’s in place. Once it washes off, reapply — plan on every 7 days during pest pressure.
Follow those and DE is about as clean and safe as pest control gets.
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Organic Diatomaceous Earth
Living Microbes for Your Soil · 1,227 Species
Natural Mineral Pest Control · Crawling & Surface Pests
$19.95
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The product works well and helps citrus stay healthy and grow.
~ Ann L.
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Size
4-lbs
The barrier crawling pests can’t cross — and not a drop of poison.
Ants marching up the trunk. Earwigs in everything. Something chewing the leaves overnight and a trail across the soil by morning. You want them gone — but not badly enough to spray poison around your food, your pets, and your kids. There’s a mineral that stops them cold. No nerve toxins. No residue.
A dry, razor-fine mineral surface that crawling insects simply can’t cross — so they avoid it or decline.
Real control with no synthetic pesticides, no toxic residue, and nothing for pests to build resistance to.
Applied in water it coats leaves, stems, and soil evenly — and works even harder with micronized sulfur and a little Castile soap.
Most garden pests don’t live in your soil. They crawl across it. Diatomaceous earth turns that crawl into the thing that stops them.
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Yes — for plants, pets, and people, when you use it right.
It’s a natural mineral (silica), not a synthetic nerve agent, and it leaves no toxic residue on what you eat.
But it’s a fine dust. Wear a mask when handling the dry powder, and apply it in water to keep the dust down. That’s the main precaution.
Houseplants: take them outside to apply, let it dry, then bring them back in. Never dry-dust in the house.
The honest test: it's the same DE we use across our own gardens, houseplants, and citrus trees. Clean, simple, no mystery chemistry.
60-Day "Watch It Grow" Guarantee
250,000+ Commercial Plants Grown
Curated by Dr. Mani, the same Diatomaceous Earth we use on our farm
Founded By a Texas A&M Professor Emeritus
No PFAS Synthetic Salts
Pet Safe
60-Day "Watch It Grow" Guarantee
250,000+ Commercial Plants Grown
Curated by Dr. Mani, the same Diatomaceous Earth we use on our farm
Founded By a Texas A&M Professor Emeritus
No PFAS Synthetic Salts
Pet Safe
HOW TO USE IT
Apply it in water, not as a dry dust. Cleaner, and it actually sticks. Here’s the mix.
The mix (per gallon)
2–3 oz diatomaceous earth + optional micronized sulfur (per sulfur instructions) + 1–2 oz Castile soap for better adhesion. Shake well before and during spraying.
Where to spray
Soil surface, stems, leaf undersides, and anywhere pests crawl or gather. Full coverage is everything.
When to spray
Early morning or evening. Apply at the first sign of crawling insects.
How often
Reapply every 7 days, and again after heavy rain or watering. Regular application keeps pest pressure low.
A few rules — read before you spray
Apply outdoors and in water. Never dry-dust indoors. For houseplants, take them outside, apply, let dry, then bring them back in.
Reapply after rain or watering. DE only works while it’s in place.
Wear a mask when handling the dry powder and keep it out of your eyes.
Pairs perfectly with Micronized Sulfur (makes plant surfaces undesirable) and a little Castile soap (helps it stick). Sulfur + DE + soap is the natural pest-control trio — deterrence, abrasion, and adhesion in one spray.
Frequently Asked Questions
What is diatomaceous earth, and what does it do?
It’s a soft, off-white powder made from the fossilized shells of diatoms — ancient single-celled algae. Under a microscope those shells are razor-sharp and incredibly absorbent.
That’s the whole secret: it’s a natural mineral that controls crawling pests by physics alone, with no chemicals involved. Ours is insect grade and OMRI Listed for organic growing.
How does it work on bugs without any chemicals?
It’s mechanics, not poison. An insect’s body is sealed by a thin waxy layer that keeps its water in. When a pest crosses DE, those microscopic sharp particles scratch through that waxy armor and soak up the protective oils — so the insect dries out and can’t recover.
Nothing toxic, nothing systemic, nothing absorbed into your plant. Just physics doing the work.
What pests does it work on?
Crawling, hard-bodied pests are its specialty — ants, roaches, earwigs, silverfish, fleas, beetles, and plenty of garden crawlers. Anything that walks across a treated surface picks it up.
It’s most effective on insects that travel on foot, so think crawlers first. For soft-bodied flyers like aphids and mites, pair it with castile soap and sulfur.
Won’t the bugs just become resistant to it over time?
No — and this is what makes it special. Pests build resistance to chemical pesticides because they can evolve around a poison. They can’t evolve around physics.
DE works by physically drying the insect out, so it works the same on the thousandth generation as the first. It never stops working, and you never need a stronger version.
What’s the best way to apply it — wet or dry?
We recommend applying it wet. Mix it with water — a little castile soap helps it stick — and spray it where pests travel. It goes on as a liquid, then dries into an even, clinging coat that keeps every bit of its pest-control power.
You get better coverage and none of the floating dust you’d breathe from dusting it dry.
Do I need to reapply after it rains?
Yes. DE only works when it’s dry, so a hard rain or heavy watering washes it off and switches it off. Just reapply once things dry out.
That’s the one trade-off of an all-physical control — but it’s also why there’s nothing toxic left behind in your soil.
Is it safe for my kids, pets, and edible garden?
Yes — ours is insect grade and OMRI Listed for organic growing, a natural mineral with nothing added, and approved for use right in your organic vegetable garden.
The one real caution is the dry powder: don’t breathe the fine dust (a big reason we recommend applying it wet). Once it’s down and settled, it’s safe around children, pets, and the food you grow.
Can I use it with sulfur and castile soap?
That’s the natural pest trio. Micronized sulfur, DE, and castile soap each work a different way, and together they cover far more ground than any one alone.
The soap helps the mix stick, the DE and sulfur do their physical and mineral work, and pests have nowhere to adapt. It’s the combination we lean on across our own citrus.
Can I use it on houseplants?
You can — just take the pot outside to apply it, let the coat dry, and bring it back in. That keeps any loose dust out of your living space and gives it time to set.
Indoors, a castile soap spray is often the gentler first choice. Outdoors is where DE really shines.
What’s it made from, and is it really natural?
One ingredient: fossilized diatomaceous earth — the mineral shells of ancient algae, mined and milled, nothing added. Insect grade, OMRI Listed for organic growing, and about as natural as pest control gets.
It’s the same mineral we trust around our own 250,000-tree citrus operation.
Try It. Love Your Garden.
Or We Pay.
I know you've been let down before.
That's why I want you to try our Watch It Grow Guarantee for 60 days.
If you don't see new growth, vibrant colors, and your plants coming back to life, we will refund you completely.
Every dollar. No forms. No hassle. Email us once. We refund within 24 hours. Because your results are the only marketing that matters to us.
We've never worried about this guarantee. Our products work.
This is from our small family farm in Hargill, Texas. Our reputation is everything.
Dr. Mani Skaria, PhD
Plant Pathologist · Professor Emeritus
USDA NAREEE Advisory Board Member · Micro-budding Inventor
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