Expert Gardener Neem Oil Insect and Disease Control, 12 fl oz. Concentrate
Expert Gardener Neem Oil Insect and Disease Control, 12 fl oz. Concentrate
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Expert Gardener

Expert Gardener Neem Oil Insect and Disease Control, 12 fl oz. Concentrate

4.4 stars out of 241 reviews
(4.4)|
241 ratings

Key item features

  • 3 in 1 product: Expert Gardener Neem Oil Ready to Use is an Insecticide, Fungicide, and Miticide, all in one.
  • Easy to Use: Ready to use, no mixing, no mess.
  • Effective insecticide: For the control of various insect pests including whiteflies, mealy bugs, armyworms, hornworms, leafhoppers, bagworms, leafminers, psyllids, fruit flies, loopers, budworms, beetles (including Japanese beetles), aphids, scales, caterpillars, midges, budworms, and mites (including spider mites).
  • Effective Fungicide: For the prevention and control of various fungal diseases including black spot on roses, powdery mildew, downy mildew, anthracnose, rust leaf spot, botrytis, needle rust, scab, and flower, twig and tip blight.
  • Suitable for Organic Gardening.
  • 12 fl oz. Ready to Use.
  • Condition: New
Current price is $12.67$1.06/fl oz
Price when purchased online
  • Free 90-day returns
Subscribe, Your usuals, on your schedule, Save time and stay stocked!, $12.67
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Customer ratings & reviews

4.4 out of 5 stars
stars241 ratings74 reviews
How item rating is calculated
  1. 5 stars70% (168)
  2. 4 stars17% (41)
  3. 3 stars5% (12)
  4. 2 stars3% (7)
  5. 1 star5% (13)

Reviews summary

Pros
  • : Kills pests and gnats on plants and soil.
  • : Comes in a strong, undiluted form.
  • : Safely repels pests without harming plants or animals.
Neutral
  • : Effective on some aphids, but struggles with severe infestations.
  • : Offers competitive value for quantity, but may not be the lowest.
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Showing 1-3 of 74 reviews

Oct 11, 2025
anonymous
5 out of 5 stars review

Verified Purchase

Even kills gnats in the soil

Great concentrate to refill my 16 oz neem spray bottle. 1/2 tbsp for 16 oz, up to 2 tbsp a gallon. I've tried so many products. This is the only one that really works. I try to spray once a week if there's an issue and spray or water with the diluted mix once a month for upkeep. Gets rid of all the little pests on the plants and even the gnats that like the damp soil. It doesn't smell good but the smell doesn't last long. Important- Spray at the end of the day or keep the plant out of the lights/sun that day as it can burn the leaves when sprayed on them then exposed to light for too long.

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Mar 20, 2026
amethyst
5 out of 5 stars review

Verified Purchase

Great Solution for My Orange Tree!

I used Neem to treat black mold that developed on my orange tree due to insect issues, and I'm really impressed with the results. After the very first application, I noticed a visible difference—the black mold started clearing up, and the leaves looked much healthier. It's great to find a product that actually works. I'll definitely keep using it to keep my trees healthy and pest-free!

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Sep 1, 2024
Judie
5 out of 5 stars review

Verified Purchase

I started having a horrible time with aphids, black spot, white dusty powder on my flowers, my hydrangeas, my hibiscus I felt I was going to have to dig them up. This is my 2nd purchase of Expert Gardner. I don't know what the difference is between this Neem oil and the 2 other manufacturers but it is starting to clear up on my roses. If my hibiscus snap out of it then I will say this is the gold. I will update with I pictures when my flowers are back to normal.

Incentivized Review
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