The Buyer’s Guide to Neem Oil


General Hydroponics AzaMax
  • RESULTS – very high
  • QUALITY – very high
  • EASE OF USE – high


Our Choice

Bottom Line

The active ingredient in Azamax is azadactrin which is derived from neem oil. It is in its purest form that’s why it’s the best type of neem oil out there.


Dyna-Gro Neem Oil Leaf Polish
  • RESULTS – moderate
  • QUALITY – moderate
  • EASE OF USE – high


Bottom Line

Dyna-Gro Neem Oil is 100% organic and very popular in the gardening world.


Monterey Neem Oil RTU
  • RESULTS – low
  • QUALITY – low
  • EASE OF USE – very high


Bottom Line

Monterey Neem Oil is a ready to use formula which makes it very easy to apply to your garden right out of the bottle.


Einstein Oil Concentrate
  • RESULTS – high
  • QUALITY – high
  • EASE OF USE – very low


Bottom Line

Einstein is a very pure form of neem oil that is highly popular amongst traditional growers.

The Benefits of Neem Oil.

Neem oil is an all natural insecticide, pesticide and fungicide that can be used in all types of organic gardening. It is a great deterrent against pests and is very gentle for your garden. It can be used all the way until the day of harvest in your grow. By reducing pests with neem oil you can greatly increase your yield.

Make sure when you’re using neem oil that you spray over AND under the leaves.

Do I Really Need Neem Oil?

The best type of garden is obviously a clean garden, but sometimes outside forces can still introduce unwanted pests. To keep your garden healthy you will need to maintain a pest free environment, and a great way to do that is through the use of neem oil. By applying neem oil you are also safeguarding your investment, not only financially but especially your time. You should use neem oil the moment you see signs of pests. One obvious tell is that when your plants are not performing — make sure to look under the leaves for bugs or pests.


Q: How do I use neem oil?

A: It may come in concentrate or ready to use (RTU) form. When using concentrated forms of neem oil make sure you dilute to manufacturer’s recommendation before spraying. Make sure you spray in indirect light – beads of liquid can burn leaves in direct light.

Q: What does neem oil do?
A: Neem oil is a repellant that affects the feeding and reproductive systems of insects.
Q: How often can I use neem oil?
A: When pests are present, as a deterrent we recommend spraying every three days or once a week.

The Best Way to Use Neem Oil.

You can use neem oil in all stages of your grow; from beginning to end, there are many different methods to using neem oil:

In the early stages of growth such as in cloning or even with plants up to twelve inches tall, they can be dipped directly into a neem solution. Depending on the size of the plant and the number of plants dipped, use anything from a small plastic bowl up to a 5 gallon bucket to fill most of the way up with solution. Once your plants are bigger, dipping a plant becomes difficult. Therefore, in those cases we suggest you employ the use of a hand sprayer, spray bottle or even a fogger in a large garden.

For a smaller garden, you would only need a spray bottle as application involves simply misting your plants. Make sure you get even coverage on all sides and even underneath the leaves. It’s very important to get under the leaves because that’s where most pests will be hiding. Neem oil can also be used for mild cases of powdery mildew, and even as a preventative against pests and mold.

Neem oil is safe to use all the way through harvest and has “zero hour re-entry” to your garden, which means it is safe for you and your pets to be in and around the garden immediately after application. Although neem oil is safe to be sprayed around people and pets, we strongly recommend always keeping pets away from your garden at all times as they can attract and introduce pests and other unwanted elements to your grow.

Neem oil can be sprayed with very minimal safety equipment – we just suggest using a mask so as to not inhale the spray.