what plants not to use neem oil on

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Neem oil is a natural pesticide that has been used for centuries in farming communities. It isn’t toxic to humans or animals, but it is highly effective against troublesome pests like hornworms and spider mites – which makes it perfect for home-growing operations.

Even though the usage of neem oil won’t have any negative effects on your plants, there are some plants that should not be exposed to it due to their high sensitivity. Some other plants may also have negative reactions when exposed to neem oil because of their natural chemical properties. Here are some plants you shouldn’t use neem oil on—and why not:

Read: What is Neem Oil


Growing Tomato Plants: Planting, Growing, and Harvesting Tomatoes Information | The Old Farmer's Almanac

Tomatoes are one of the most commonly grown plants at home, and they’re most often used in Italian and Mexican cuisines. They make great additions to salads, sandwiches, and soups, and they’re also perfect for canning. While tomatoes are fairly resistant to pests, they do get affected by a few. Most notably, tomato worms can wreak havoc on a tomato plant. Using neem oil to kill these pests will have no negative impact on the tomato plant.


Eggplant - sowing, growing and harvesting eggplants, fending off disease

Eggplants are a staple in many cuisines, and they’re also used in some cuisines as a substitute for meat. They’re a rich source of vitamins, minerals, and fiber. Unlike tomatoes, eggplants are highly susceptible to pests. You can use neem oil to control pests on eggplants without harming the plants themselves. If you’re growing organic eggplants, you can use neem oil as your only method of pest control.

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Peppers are one of the more versatile plants in home gardens. They can be eaten raw, cooked, or dried. They’re also great for adding flavour to various dishes and are a perfect addition to Asian, Mexican, and Indian cuisines. Peppers are fairly resistant to pests, but aphids and whitefly can be a problem for some plant varieties. You can use neem oil to kill pests without damaging the peppers themselves.

Cotton and tobacco

Cotton and tobacco are both great cash crops, and they can make excellent additions to any home garden. Unfortunately, they’re also very susceptible to pests. You can use neem oil to protect your cotton and tobacco plants without killing the plants themselves.

Cotton plants are highly susceptible to caterpillars. You can use neem oil to kill pests without harming the cotton plants themselves. Tobacco plants can also be damaged by pests, but their leaves are toxic to many pests. Tobacco plants have a strong resistance to diseases and insects. However, tobacco plants are very sensitive to oils and sprays.


While neem oil is a great pesticide, it’s best to be cautious when using it around your plants. Some plants are sensitive to neem oil, and others aren’t compatible with the pesticide. When in doubt, it’s best to check with an expert before using neem oil on any of your plants. They’ll know which plants can withstand the pesticide and which plants can’t.

Besides, there are many plants that are perfect for growing indoors. They don’t need much sunlight, they can survive in relatively low temperatures, and they don’t need a lot of space to grow. These plants are easy to maintain, and growing them can be a great way to pass the time while you’re indoors during the winter. If you ever wanted to try indoor gardening, now is the time!

See also  How To Mix Neem Oil for Plants
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