---
title: "Hello, I need to make a neem oil spray and was wondering if anyone…"
description: "Hello, I need to make a neem oil spray and was wondering if anyone had any good recipes for a 16 ounce spray bottle. I’ve been mixing neem oil with some liquid…"
url: "https://getplanta.com/community/aGAK-4ayRFKntIfFxTpxsQ/rvCqw8zgTo6Ltm2gtwx2zw"
community: "Expert Level Greenspace"
author: "CJ"
published: "2024-08-29T22:47:07.804546Z"
language: "en"
image: "https://images.getplanta.com/v1/resize/0m2k6s7-cGfUa5XaWWpXDTvMjyUi5CR6_SoF_c6LCj0/8m422bxWRnKSc5BuCjHPSw.webp?size=large"
---

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# Hello, I need to make a neem oil spray and was wondering if anyone…

_Posted by CJ on 2024-08-29_

Hello,  
I need to make a neem oil spray and was wondering if anyone had any good recipes for a 16 ounce spray bottle. I’ve been mixing neem oil with some liquid Castile soap and water. But I’m curious to hear what other people are using for their ratios.  
thanks much  
Katrina

![Attachment 1 of 1](https://images.getplanta.com/v1/resize/0m2k6s7-cGfUa5XaWWpXDTvMjyUi5CR6_SoF_c6LCj0/8m422bxWRnKSc5BuCjHPSw.webp?size=large)

## 4 comments

### Anya commented on 2024-08-30

I use 1/2 tablespoon castille soap and 1/2 tablespoon neem oil with 16 ounces water. I typically mix it in a liter bottle, so I use a full tablespoon each of castille soap and neem oil. I’ve heard of recipes that use hydrogen peroxide / isopropyl alcohol too but I don’t have experience with them. The most important thing is to keep your plants away from sunlight or grow lights for the next day, because their leaves could burn. Your watermelon peperomia is gorgeous!

#### CJ replied on 2024-08-30

Thank you  
I have been using a much weaker, concentration, and experiencing frustration! Thanks again for your help, Katrina

### Ava commented on 2024-10-07

i also use liquid castile soap and water, and a little drop of alcohol

#### Ava replied on 2024-10-07

the SMALLEST drops of alcohol i’m talking literally one drop

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