Whatever you use for pest prevention, make sure to read the label to know what you are spraying. You should also avoid using Neem oil if your plants are showing any signs of stress. Add this to a bit of warm water, stir well. Can neem oil affect birds, fish, or other wildlife? Batta-bing. Stir well. You can also use it on a few plants or a section of the plant. Neem oil might kill some plants, especially if they are young and if the oil is applied too heavily. If your plants have fur, needles, and any other way to allow pests to crawl deeper in the leaves to escape the Neem Oil, it won't be effective. Apply neem in the evening for outdoor plants and out of direct sunlight for indoor plants to prevent leaf burning. In this method, spray your neem oil spray mix on a particular leaf of your plant and wait for 24 hours to see any abrupt changes in the leaf. Then, when the sun shines through it, burns may occur. Test a small area of the plant and wait 24 hours before applying it all over. Is Neem Oil Safe? Apply neem in the evening for outdoor plants and out of direct sunlight for indoor plants to prevent leaf burning. They can burn sensitive plants. If for instance, your indoor plants are suffering from aphid’s infestation, you can spray a mixture of neem oil to control aphids. Neem oil is slightly toxic to fish and other aquatic organisms. Spraying with oil at a dormant concentration after bud break when leaves have emerged may kill the young leaves, so the correct rate must be used at the appropriate time of year. Test a small area of the plant and wait 24 hours before applying it all over. Well, you can use Neem Oil on most plants, but it won't be effective on plants that don't have smooth surfaces. Neem oil is a great alternative to these products because it is non-toxic. Add this to a gallon or slightly less. Neem oil can burn the foliage of young plants if used inappropriately. Apply neem in the evening for outdoor plants and out of direct sunlight for indoor plants to prevent leaf burning. Great for Indoor Plants and Safe for your House: neem oil is as well safe for indoor plants. Neem Oil. The same recipe can be used for a gallon, or 100 gallons. Can neem oil burn plants? And like I said you can use less silica if you wish, at a 2:1 neem/silica. How Frequently To Use Neem Oil On Plants. You should not use neem oil on very young seedlings, recently transplanted plants, and tender herbs since the active ingredients in the oil can stress the plant or even cause it to wither. Before applying to all plants, perform a patch test to check the concentration of your neem oil spray. Neem oil is practically non-toxic to birds, mammals, bees and plants. Neem oil insecticide is often a great solution if you are having problems with insects, mites, or fungi bothering your plants. Most especially, you can apply neem oil to eliminate lawn grubs activities which can be pretty destructive to your lawn. Use it on your plants as close to the time you mixed it as possible to prevent it from breaking down - the compounds become inactive within a day or so. Leaf burn can happen with any insecticide, miticide or plant oil. An example of a plant-based oil is Garden Safe® Neem Oil Extract. The remaining components of neem oil are broken down by microbes in most soil and water environments. Neem oil might kill some plants, especially if they are young and if the oil is applied too heavily. ; To dilute add more water and perform the same patch test again. So for a gallon at such rate: Mix 20ml raw neem oil with 10ml silica. ; If you see burn in your leaf that means you need to dilute the neem oil spray solution. Test a small area of the plant and wait 24 hours before applying it all over. Neem oil might kill some plants, especially if they are young and if the oil is applied too heavily. What organic gardeners love about it is that it is safe to use: it will not harm you, your kids, your pets, or your livestock. And monitor the results before spraying all the plants. Too much neem oil can also burn the foliage, especially for new transplants. Add wetting agent.