No. Neem oil is also an effective fungicide. with a mild dish detergent and water (1 to 2 tablespoons neem oil, 1 to 2 teaspoons of dish detergent, and 1 gallon of warm water, or as directed on the product label). What is neem oil: Neem oil is a vegetable oil pressed from the fruits and seeds of the neem tree, Azadirachta indica. FREE delivery Wed, Nov 22 on your first order. It has been used in beauty regimens and skin care to: treat dry skin and wrinkles. Volck oil provides. Next, mix one gallon of warm water with one teaspoon of liquid soap. Neem oil, a powerful natural remedy, can provide a safe and effective method for dealing with serious pest infestations. Adding neem oil to a worm bin is a great way to keep pests and pathogens away, while also providing essential nutrients to the soil. for pricing and availability. The remaining portion of neem oil is made of fatty acids, essential oils and other substances that are com-monly eaten in a normal diet. Wait until temperatures are at least 40 degrees F and delay spraying if a freeze is imminent. All you need is: water. Price: $60. For best results, use neem oil on a dry, windless day. Massage the shampoo into your pet’s coat and let it sit for five to ten minutes. The 100% cold pressed neem oil is EPA registered to control aphids, whiteflies, mealy bugs, foliar fungus (mildew), and more. Neem oil, derived from the Indian evergreen tree of the same name, has long been used in traditional Indian medicine to treat a variety of ailments including skin conditions, infections, and even fertility issues. It kills eggs, larvae, nymphs, and adults alike. What are some signs and symptoms from a brief exposure to neem oil Neem oil can be slightly irritating to the eyes and skin. 1 gallon of warm water. Anecdotal reports suggest that neem can: condition your scalp. You’ll also need to get your hands on some cold-pressed neem oil, water, and dish soap. When To See A Doctor. See on Amazon. Neem seed oil is rich in fatty acids, including oleic, stearic, palmitic, and linoleic acids. Neem oil should only be taken internally as a tincture (in alcohol) or inside of a capsule, such as a supplement. for use on roses, flowers, fruits and vegetables. When used properly, there are many beneficial properties of neem oil with dogs to help them feel their best. Since antiquity neem has been renowned for healing. Neem oil is an excellent SAFE, NATURAL insecticide/pesticide solution for homeowners with pest problems. Therefore, neem oil is extensively used for dry hair. 8% neem oil solution (about 30 ml of neem oil per 3785 ml of water), which is used in gardening as a natural pest repellent and insecticide. Shake well. minimize grays. DIY Moth Repellant Spray. 3. Put all of the ingredients into a spray bottle, and shake it up well. In vitro larvicidal activity of neem oil-loaded polymeric capsules was studied against C. To get the best results, mix 70% NEEM OIL with 2 tablespoons (1 fluid ounce) of water every gallon. Neem Oil Is a Natural Fungicide. Neem oil is a carrier oil extracted from the neem (Azadirachta indica), a tree native to Sri Lanka, Burma, and India, and now grown in tropical regions around the. It's yellow-brown, has a garlic sulfur odor, and a bitter flavored taste. At this time, there is limited information regarding known interactions with different medications because of limited human research. Neem oil, Tw20 and distilled water, or Hepes buffer (10 −2 M, pH 7. price. The investigational product was a mixture of cold-pressed 20% virgin neem seed oil and 80% virgin coconut oil, henceforth referred to as NC treatment. Closed Today. Mix ¼ cup of neem oil in a 2-quart spray bottle. ALM OL204 4 Stroke Oil. Preliminary research suggests that neem extracts have anticancer activity, though more research is required to confirm whether or. Water Spray: A strong jet of water can dislodge aphids from plants. Step 1: Mix neem oil, which is an organic insecticide. It is the most important of the commercially available products of neem, and its chemical. Neem oil is widely used to control caterpillars and other garden pests. Potassium soap is another natural insecticide that can kill pests on contact, but it’s slower than neem oil to act, but when you mix the two, you get the best of both worlds! Plus, when potassium soap disintegrates, it turns into potash, which is a natural fertilizer. The price of toothpaste can range from under $5 to over $10 per tube on the higher end. 5 teaspoons of Plantonix Neem Bliss per 1 quart of water. 2. What Pests Can You Use Neem Oil On? Neem oil works on a wide variety of problematic garden pests, including over 200. Once extracted, this oil has a strong bitter scent and a darker, yellow-to-brown color. The neem oil was produced locally in Kilifi County, coastal Kenya and sent to an ISO 9001:2015 certified laboratory prior to use for testing for potential contaminants according to WHO guidelines. Neem oil is a versatile product for organic gardeners. The formulated neem NE showed antibacterial activity against the bacterial pathogen. Argan oil has also been added to the vesicles because of its regenerative and protective effects on skin. Extracted from the seed of a neem tree growing in South Asia. Cold-pressed if you want to be fancy. When pruning, cut out any stems with black spot on. Additionally, it is important to note that neem oil can damage some fabrics and materials, so it is important to be mindful of where and when it is used. From the experimental results, it was. "My preferred recipe mixes one spoonful of fragrance-free liquid soap—dish or hand-soap is fine—with five spoonfuls of sunflower oil or other vegetable oil, with around 16. Organic methods for dealing with rose black spot. Cold Pressed Neem Oil is a plant based active ingredient that is effective in preventing and controlling diseases and pests in your garden. tb1234. But no matter how you look at it, this oil is amazing. Fill your spray bottle or garden sprayer with the solution. In one 2017 study done on hairless mice, topical neem oil helped treat age-related skin concerns such as skin thinning, dryness, and wrinkling. 5 Neem oil is being employed as well. It can be used as a soil drench to control pests such as whiteflies, aphids, and caterpillars. While Neem oil works well alone, adding peppermint essential oil to the solution gives it more insect-repelling power. Neem oil protects horses from itch this summer. Neem Bath: For eczema and other skin conditions it is best to use soap-free cleansers. This is concentrated white oil which must be diluted with water for use! Store the homemade white oil concentrate in a cool, dry place. Create a haven you and your family can enjoy throughout the season with our range of outdoor living products including dining sets, bistro sets, swing seats and chairs, barbecues and gazebos. Softens and Smooths Hair. What is Neem Oil for Hair? There are tons of benefits to using neem oil for hair. 99. Using neem oil to kill grubs can be an effective organic pest control method. Some people use neem oil to treat various skin conditions, including infections and acne. Hence, these oils use different methods to achieve the same goal. According to , Azadirachtin, which is the major constituent of neem oil, is most stable in slightly acidic aqueous solutions between pH 4 and 6 at room temperature but unstable in mildly alkaline and strongly acidic solutions. Alternatively, make your own by mixing one tablespoon of 100% raw cold-pressed neem oil and one teaspoon pure castile soap per 1-gallon water. Written by davethetreecenters • March 08 Neem Oil will Kill Your Garden Pests. This can be an effective immediate remedy, but it may need to be repeated since it doesn’t prevent blackfly from returning. 100% NATURAL NEEM OIL - Premium Nature cold pressed Neem Oil is the highest quality pure Neem Oil and provides numerous beauty and health benefits. Neem Oil as an Insecticide. Plan ahead so that you don’t use neem oil before a harvest. The leaf extract is used to reduce tooth plaque and to treat lice. Undiluted neem oil can be used to treat acne, fungal infections, warts, and moles; it can be applied to the affected area on a regular basis. 2. 05% potassium permanganate (KMnO 4) foot bath. Use a Q-Tip dipped in your Neem Oil water mix to remove pests. Before applying it to the entire plant, you should first test it on a leaf or. Source: Fruits and Seeds of Neem Tree. Cedar oil is one of the many essential oils used to get rid of silverfish, and is an especially effective pest killer for silverfish, clothes moths, and carpet beetles. To the Editor: Neem oil (Margosa oil) is deep yellow extract of neem tree (Azadirachta indica A. Rodents, including rats and mice, can cause considerable damage both within and around your home, and keeping them at bay is essential to a healthy. View Product Quick view. Natria 1-Gallon Ready-to-Use Neem Oil Disease Control. 99. £7. soothe frizz. For a gallon of water use one teaspoon of soap, and for a quart spray bottle, reduce the amount of soap to ¼ teaspoon. 21 Liriomyza spp with the neem oil treatment and an average number of 9. Clearly neem oil can harm the nervous system of domestic cats. Put on gardening gloves. It can kill insect eggs. It’s safer to use than a synthetic pesticide but it is still not totally safe. Neem oil is the most effective against soft-bodied insects. Dilute the oil by combining two teaspoons of Neem oil for each gallon of water. 5 tulsi leaves (dried and powdered) 3 tablespoons neem oil. Several studies showed that neem oil appears to be a safe and very effective contraceptive, pre and post coital (before and after sex). 6. It has been used for centuries in traditional Indian medicine and is now used in a wide range of applications due to its many beneficial properties. A 2016 study found that neem oil reduced the foraging activity of leaf-cutting ants by up to 75%. Neem Oil Spray for Plants. It contains active ingredients like azadirachtin, nimbin, picrin, and sialin. This will create a protective barrier on your skin locking in moisture and making the skin soft. We've also got some gorgeous garden decor including water features, clocks and on-trend planters. Fantastic for use at home in making DIY skin care, hair care, nails care, massage, as a carrier oil for essential oils, and much more. The way it was applied in the studies it almost was 100% effective in preventing pregnancies. Test it on a leaf or two before using it on the whole plant, to. In fact, the oil can cause damage to some plants that may not respond well to it. Because neem has anti-inflammatory properties, it can be used to relieve pain caused by arthritis. The patient applied neem oil to his forearm and developed an eczematous reaction at the application site and on both eyelids at 48 hours. Neem oil is a vegetable oil obtained from the seed kernels of Neem tree (Azadirachta indica), an evergreen of the tropics and sub-tropics. To use for plants, simply mix 1. It nourishes the scalp and acts as a hair conditioner. 5L. May cause stomach irritation and allergic reactions such as inflammation of the mouth. When pruning, cut out any stems with black spot on. These include aphids, fungus gnats, beetles, snails, slugs, ants, leafminers, mosquitoes, locusts, and houseflies. Because the USDA certified the oil as organic, it can be approved for use. Among them, the major constituents are triterpenes known as limonoids, the most important being azadirachtin (Figure 1 ), which appears to cause 90% of the effect on most pests. Add a small amount of Castile or dish soap to emulsify the oil to combine with the water. 30 days return. 11The tree's Sanskrit name was "arishtha," meaning "reliever of. Maintain a healthy circulatory, digestive and respiratory system. These oils, such as tea tree oil for. 8 tablespoons coconut or olive oil. 31 x 2. Studies suggest that neem has blood sugar lowering effects. Get directions. Squeeze the crushed leaves to extract as much juice as possible. It is an oil-based, semi-transparent stain, so it does add some color but it also lets the grain of the wood show through still. A good, pre-mixed product will set you back between $. Safer ® Brand Neem oil, produced by the Asian Neem tree, offers some relief of black spot. Here are the primary ways to use neem oil for plants: Dormant spray: Apply when plants are dormant to kill overwintering garden pests and eggs. Product Information. However, it’s not as good for large areas like a deck. Juss. Dilutions at 25% and 50% were also positive at 48 and 96 hours ( Fig. larvae suggesting that azadirachtin is a main antibiotic component in neem. Next morning, comb the hair to remove all the dead lice from your hair. For Organic gardening. The LC 50 of neem oil two days after application was (0. The NEs were obtained by a simple preparation method, as previously reported 16 . Anti-Aging Serum. Find amazing deals on neem oil wilko at on Temu. Neem Oil has fungicidal properties that it can aid in the removal of various destructive fungi. All three Ingredients at this point will separate. 00. It has not been studied as a treatment for cancer. £2. Gaumond's recipe. Neem oil is not effective against killing bed bugs. Use your neem oil spray once every two to four weeks. Here are steps on how to apply neem oil to plants safely: Gather all the ingredients, including a gallon of water, 2 teaspoons of neem oil and liquid, non-detergent soap. Neem oil is a naturally occurring pesticide found in seeds from the neem tree. 28 per ounce. (10) Email when in stock. 124-130 High Street New Malden Royal Kingston upon Thames, KT3 4EP. It should be noted that neem oil is poisonous to humans, especially children. Main benefits: Soothes scalp inflammation, treats dandruff, smoothes frizz. Neem oil remarkably only targets bad bugs in your garden and leaves good bugs alone. Wipe on a couple coats of BLO on furniture, trim, or any bare wood and let it dry until it. 3. reduce. How to apply neem oil in your lawn: To apply neem oil in your lawn, dilute 2-4 tablespoons in one gallon of water and mix it well. 51. Aim: The aim of this study was to evaluate the effect of oil pulling with neem oil on plaque induced gingivitis and compare its efficacy with oil pulling with coconut oil. Grow rose varieties that are resistant to black spot. Water-based stains are great if you want a quick and easy cleanup. 4. Read the Patient Information Leaflet before use. Collectively, these fatty acids have been shown to have anti-inflammatory,. Oil. Palmitic acid can decrease by as much as 56% in ageing skin, so those looking to age well might look to neem oil over argan oil to help maintain a plump, youthful appearance. Product Information. 1. There are certain steps you can take to make your neem oil as effective as possible, but in general, you shouldn’t apply neem oil more than once every 4-7 days. Rupani says. The pungent smell of the oil repels lice and eventually eliminates them completely from the hair and scalp. Establishing a regular spraying routine can help maintain control over the thrips infestation. I like to use castile soap, but. It is an easy-to-use spray that contains clarified hydrophobic neem oil. 100+ bought in past month. The tree grows profusely in India, where people have great respect for neem’s healing powers. Or fastest delivery Tomorrow, Nov 19. 你可以在園藝店買配好的 Neem Oil，也可以到印度人開的店買純的楝樹油，再自己兌水。使用時，如果是純楝樹油，可以用一茶匙的純楝樹油，配以一公升清水，再加半茶匙的肥皂水。加肥皂水是讓其有附著力。沒有肥皂水，可以用洗碗的dishwasher liquid，有同樣作用。 Adverse effects on cats by neem oil as listed by a study. You can also use household neem oil for making a rose fungicide. Mix the neem oil solution well in a spray bottle and apply it to the top and the underside of all plant leaves to kill aphids efficiently. Neem oil, which is derived from the neem tree, is a rich liquid extracted from the tree. Resolva Xpress Fast Acting Weed Killer Ready To Use Spray 3L. 'For a foliar spray, simply combine one teaspoon of neem oil with one tablespoon of liquid soap in one gallon of water. Roundup Ready To Use Speed Ultra Weedkiller 1L. Possibility of Causing Harm to the Kidneys. Soaps will also dissolve greasy chemicals like oil, fat and wax, but they are not as good at this job as detergents. The present work was aimed to study the friction and wear behaviour of graphene nanoplatelets (GNPs) under extreme pressure conditions as an anti-weld additive for neem oil. The residue is Neem cake which is used in agriculture as a soil amendment, protecting the roots and enhancing plant growth. This is a broadleaf evergreen tree that is native to South-East Asia, but which is grown widely in tropical and subtropical climates around the world. Neem oil has the ability to repel insects and mosquitoes, making it an effective tool for the general prevention of insects and mosquitoes. Plantonix Neem Bliss is made from 100% cold pressed, undiluted neem seed oil. Insecticidal soap is a detergent made of fatty acids and alkalis, while neem oil is an extract of the neem tree. Neem (Azadirachta indica) is a tree that grows in tropical regions such as India. When used on a regular basis, neem oil regulates the oil secretion in the scalp for a healthier scalp and strong hair. The answer is yes. In addition to being safe for honey bees, birds, and butterflies, neem oil is also harmless to people and pets. Cedar oil is one of the many essential oils used to get rid of silverfish, and is an especially effective pest killer for silverfish, clothes moths, and carpet beetles. This is great because many of the garden pest insects are soft-bodied insects like caterpillars or worms. You will need: About 1 quart of water. Limit your exposure to the spray by wearing gloves, a mask, and eye protection. Short-Term Effects. It is. For up to 20 minutes, lightly dab the neem oil onto the area with a cotton swab or cotton ball, and then soak it up. When you use neem oil, it will harm your plants’ foliage. Neem contains chemicals that might help reduce. Neem oil insecticide only targets bugs that chew on leaves. 2. Neem Oil Insecticide. Product details Package Dimensions : 6. 4) where indicated, were used in the preparation of water. Viagrow neem oil extract is 100% cold-pressed pure natural neem seed oil, spray for plants keeps them healthy and safe. It has a half-life of 3 to 22 days in soil and only 45 minutes to 4 days in water. Although it can technically kill a bed bug, it only will kill a bed bug on physical direct contact with the bed bug. Returns accepted. Oral hygiene: Neem oil has been used for centuries as a natural remedy for oral health issues such as gingivitis and tooth decay. Mix the 1 1/2 teaspoons neem oil concentrate, with 1 teaspoon mild liquid soap, and 1 liter tepid water. GREAT FOR DRY SKIN - Neem seed oil is great for dry skin and locking in moisture. Ulcers A small study found neem bark extract effective in reducing stomach acid secretion without any adverse effects. Captain Jack's neem oil kills eggs, larvae and adult stages of insects to provide full range protection against pests;and insects; this product kills spider mites, aphids, whiteflies and more Approved for organic gardening, neem oil spray is suitable for the production of organic produce and can even be used up until the day of harvest Wilko Ant and Crawling Insect Killer 300ml. If they are fine the next day, you should be good to go. 2. You can also add the Neem oil to the pet shampoo in 1:20 ratio (1 part Neem oil to 20 parts shampoo). Dilute Neem Oil Concentrate in Water. Natria Neem Oil is an easy to use option for listed pests and diseases. Parsley. Email when in stock. NEEM OIL BENEFITS. Neem oil, a cautionary tale. Detoxify blood. Neem oil has a variety of uses. One teaspoon Dawn dish detergent should be added to a gallon of water to make it an emulsifier (i. tb1234. <link rel="stylesheet" href="styles. When used properly, there are many beneficial properties of neem oil with dogs to help them feel their best. I use a Flo-Master ½ Gallon Sprayer, Chapin 1 Gallon Sprayer, and the Chapin 2 Gallon Sprayer, depending on how many plants I need to spray at once. oz. Not only does it help to control pests and diseases, but it also helps to reduce weed growth, improve soil health. Abstract and Figures. £7. Then, add half a teaspoon of dish soap per 1 quart of water. Here are the steps: Mix one liter (0. Step 3: Commercial Black Spot Sprays Neem oil: Neem is an organic fungicide and pesticide, derived from the seeds of the neem tree. For instance, oil extracted from the seeds goes into soaps, waxes, and lubricants, as well as into fuels for lighting and heating. reduce scars. 2. " Derived from seed kernels, "Neem oil's properties are anti-inflammatory, as well as broadly antimicrobial," Dr. , it doesn’t cause ulcers). brevicompactum growth, sporulation and mycotoxin (ochratoxin A) production in dry-cured meat products [ 34 ], too. Neem oil. Comme ingrédient cosmétique, l'huile végétale de neem bio est reconnue pour ces propriétés : Purifiante puissante, l'huile végétale de Neem est traditionnellement utilisée dans les soins des peaux à. Use as a Soil Drench. This is not a combination product either, so it will require a top coat like spar urethane over the. Simply loosen the topsoil to a depth of 1 inch around the plant, then apply 5-10gm of neem powder evenly over the top. (12) Email when in stock. The soap will kill insects on contact through mechanical action and suffocation, while the oil will also repel them and interfere with their feeding, mating, and egg-laying. Since neem oil is a thick substance, it works to coat. Treating skin conditions. 4. 1 C). of surfactant per each 20 gallons of water used. But no matter how you look at it, this oil is amazing. Among them, the major constituents are triterpenes known as limonoids, the most important being azadirachtin (Figure 1 ), which appears to cause. Pump sprayer. Advertisements. product. The same tests in 16 controls were negative. Apply in the early morning or late afternoon. Neem oil is vegetable oil from the fruits and seeds of the neem tree. Plus, we've also got specialist slug control and rat killer products for those. You can use neem oil on cannabis as future protection against spider mites, whiteflies, aphids, caterpillars and moth larvae; it can also be helpful if you already have an infestation. per each. Neem oil can even rid common pests and fungus-causing fungi. Neem Oil. Wilko Indoor Plant Pest Defence 500ml. The effects of neem (Azadirachta indica) and willow (Salix babylonica) aqueous extracts on fusarium wilt disease in tomato seedlings were investigated. Lavender & Neem Oil. Neem Oil Is Anti-Inflammatory. Neem has notable antifungal properties that seem to work well on roses. Neem oil is derived from the seeds and fruits of the neem plant. Pursonic. It can be used as a soil drench to control pests such as whiteflies, aphids, and caterpillars. Beyond all the possible pesticides and pharmaceuticals, neem provides many useful and valuable commonplace materials. Strain the liquid through muslin cloth again to remove leftover leaves and debris. 2. Neem oil is not recommended for particularly thin hair, as it can weigh hair down. Although neem's effects on pestiferous insects are by far the best known, the tree's various products can influence other pest organisms as well. But no matter how you. This insect and leaf miner spray effectively gets rid of all the bugs that want to feast on your plants, like your dwarf lemon tree. Not only an insecticide, neem oil goes above and beyond in ridding our unwanted creepers. Upon first putting them into the sprayer, you’ll. Stay Away Scent Pouches – Most Effective Spiders Repellent Pouches with Proven Performance (Editor’s Choice) Read Verified Customer Reviews. Prevents Or Kills Insects. To use neem oil for plants, dilute neem oil concentrate with water and add a bit of liquid soap to help to mix the water and oil. Treats dandruff. – Apply at the Right Time. Neem oil insecticide is all the gardener could ask for. Neem Oil Is a Natural Fungicide. (1) Email when in stock. heal wounds. Starting from the top of your target plant, begin spraying neem oil over all parts of the plant. Key details – Size: 75ml; Key ingredients: Castor seed oil, glycerin, olea Europaea (olive) fruit oil; Hair type: Dry, limp; Application: Apply, put on shower cap, leave in for 20–60 minutes. Pour the solution into the ground around your plant and allow it to absorb completely. Neem oil offers a natural solution to dog health issues and poses no threat of harm. This product is safe for both beneficial and predatory insects, as well as ladybugs and most beneficial bumblebees. 8% neem oil solution (about 30 ml of neem oil per 3785 ml of water), which is used in gardening as a natural pest repellent and insecticide. Helps ease fine lines and wrinkles. Happily for gardeners, neem oil is typically harmless to beneficial bugs that don’t. 1. Shake the canister often while spraying. The potency of the substance can be retained at temperatures of around 40F for several hours. Ultraviolet spectroscopy analysis indicated that 10% of neem oil was loaded with capsule. BROAD-SPECTRUM PICK: JT Eaton Oil Based Bedbug Spray with Sprayer. If you want to use neem oil as a preventive spray, it should be used as afoliar spray before planting your plants. Advertisement. Load More. Neroli & Bergamot. In this study, the in vitro antifungal activity of neem oil (0. Don’t use neem oil in the middle of the day, because the direct sunlight and neem oil together can burn the plants. ), plus 1/2 tsp. Repeat treatment in 4-5 days to ensure any remaining hatchlings are treated. When properly mixed and applied to plants, neem oil’s primary chemical compounds (including the powerful natural chemical azadirachtin) find their way into bugs’ bodies and begin causing all kinds of cellular damage. When using a spray bottle, just make sure you have it on the finest mist setting, and apply it to both the top and bottom of your plants’ leaves. Crab meal contains chitin and chitosan, two natural compounds found in crab shells that give them structure. The 100% cold pressed neem oil is EPA registered to control aphids, whiteflies, mealy bugs, foliar fungus (mildew), and more. Store Properly. Apply the mixture to a small test area on plants before treating the. Save 5% on any 4 qualifying items. Neem oil is an excellent addition to your garden for its ability to naturally repel pests. Once dry, neem oil is much less effective at killing and becomes a deterrent. Use neem oil in the morning and evening. It has been used for centuries in traditional medicine to treat a wide variety of. Spray the neem oil on a small area to ensure it won’t burn your plants. The insects might get scared and hide under the mud or rocks on the sides so make sure to get the sides of the plant too. Neem oil works all through the growing season because it can kill pests. For fungus gnat control, the way to use neem oil for grubs, or to use neem oil to treat squash bugs, dispense two to three cups of the prepared neem oil soil drench on the soil beneath each plant. 36 Liriomyza spp with. The high fatty acid and vitamin E content in neem oil also helps remove scars associated with acne. Shop sprays and concentrates which can be used indoors, outdoors and in conservatories. Shake the sprayer regularly to keep the solution mixed. It has been used for hundreds of years to control pests and diseases. 83 inches; 1. Controls aphids, whiteflies and spider mites. per quart of water (1 oz. Yes, neem oil is effective against thrips as a pesticide. The earliest Sanskrit medical writings refer to the benefits of its fruits, seeds, oil, leaves, roots, and bark. Here are some general guidelines for using this organic insecticide on plants: Dilute the neem oil: The oil should be mixed with water before use.