Thrips on roses neem oil treatment remains part of the most decorated ways of thrips control. Even when these bugs are in large numbers, Neem oil remains effective in wiping them out. You can apply neem oil to your roses before thrips reach their larval or adult stages and start feeding on the leaves and foliage.Thrips on Roses Neem Oil

If your roses are discoloring, silvering, and stripping, see more information in this guide and learn to solve or prevent thrips damage on your roses.

How to Use Neem Oil to Eliminate Thrips

Use neem oil for the purpose of eliminating thrips by isolating the affected plant before spraying them. Be sure to dilute the oil and wear protective clothing before the spaying session and also consider the soil drench method as an extra measure of treatment.

– Know When You Should Use Neem Oil

During the growing season, Neem oil is very effective in preventing and controlling thrips. Apart from killing thrips, Neem oil is also effective in eradicating insects that include rose scale, whiteflies, leafhoppers, Japanese beetles, fungus gnats, minute pirate bugs, mealybugs, spider mites, and rose slugs.

Therefore, Neem oil is the best insecticide for thrips on roses as it wipes out other insects and pests that might be bothering you. An added advantage of Neem oil is that it does not harm beneficial insects.

Roses are mainly sought for their beautiful foliage and flowers, and their attractive attributes may be distorted if they are attacked by thrips. If you decide to use Neem oil for eradicating thrip infestation, be sure to use during those hours of the day when sunlight is limited.Using Neem Oil Wisely

Applying Neem oil to the foliage of your roses in direct sunlight increases their vulnerability to scorch. Roses that are grown in greenhouses are less likely to be affected by leaf or flower burn as you can adjust the light conditions from time to time.

Remember, good timing is key to healthy, vibrant rose plants so aim to destroy thrips at their early developmental stages. Western flower thrips feed on the flowers of the rose, and this disrupts their gorgeous appearance.

Neem oil kills thrips at all stages of their life cycle. If you notice yellow speckles on rose leaves, black spots caused by pest excrement, spots on the flowers, tiny insects on the flowers and undersides of leaves, as well as older leaves turning silver, thrips will have invaded your roses.

 – Choose the Best Type of Neem Oil for Your Roses

There are three types of Neem oil products that you can use on different plants, and they are classified based on how they are applied. The first type of Neem oil that you can use on your roses is the dormant spray. You should use this type of Neem oil to eliminate overwintering garden pests and their eggs.

The second type of Neem oil is the foliar spray. You should spray this type of organic pest control method directly on the foliage in the planting season. This prevents thrip infestations as well as control current battles with these pests.

The third type of Neem oil is the soil drench. You should dilute Neem oil with water and pour it into the soil. The roots of your roses will absorb this solution and it is distributed throughout the foliage.

When thrips ingest any parts of the foliage of a plant that grows on oil that is drenched with Neem oil, they will die. Also, larvae and eggs that are hidden in the soil will be eradicated.

Any other fungal plant diseases that are soil-borne are also dealt with using this solution. Depending on the situation that your roses are facing, you should carefully choose the right Neem oil type to avoid hardening the pests or killing the plant.

– Isolate the Affected Plants

Once you notice tiny, black-winged insects on your roses, prepare to isolate the particular plant. These pests can easily get to nearby plants and can multiply in a short space of time. Move the infected roses to a place where they will not pass on the pests to other plants. However, after treating the plant, you can move it back to its original spot.Thrips Affected Plants

– Find the Best Conditions for Neem Oil Use

You can attain the best results when you apply Neem oil to your roses on a warm and windless day. Make sure that the temperatures are around 40 degrees Fahrenheit. If the temperatures are too low to the point of freezing, you should delay spraying Neem oil on the roses. If you are growing roses indoors, just make sure that the temperatures do not fluctuate either way.

We recommend you carefully follow the instructions on the container label. If you are using the Southern ag triple action Neem oil or Bonide Neem oil, you should be careful as these commercially prepared types may be a bit concentrated. Homemade Neem oil can be more diluted, which makes it much safer to use.

If the temperature conditions are by any way below 40 degrees Fahrenheit, you can alternatively wash the foliage with soapy water. Also, if the plants are positioned on a spot that has access to direct sunlight, consider transitioning them to a partly-shaded area before using Neem oil.

If they are grown on a landscape, the best time to apply Neem oil is during the early evening hours so that it functions properly without causing damage to the lovely foliage.

– Wear a Protective Gear

Before you start preparing Neem oil for your roses, make sure that your body is well covered, especially if it’s a border application. Also, avoid inhaling the mixture if you have respiratory issues.Wearing Protective Gear

Using Neem oil, insecticidal soap, or horticultural oil that is organic and natural may cause skin irritation and eye problems to others. When using the soil drench method, you should not touch the soil with bare hands to avoid the possibilities of harming yourself.

– Mix Neem Oil With Water

You should put in place a gallon of water, cold-pressed Neem oil, liquid soap, and a pathogen-free spray bottle to start the mixing process. Add a single liquid soap teaspoon to five liters of water and mix it well. Liquid soap works as an emulsifier when mixing water with Neem oil. Now, put two full tablespoons of Neem oil into the solution.

Make sure that the solution is well-mixed before using it. Now, get a spray bottle and pour the solution in. If you are using the Bonide Neem oil concentrate, mix the solution at a rate of two to four tablespoons per gallon of water. Be sure to mix the solution thoroughly before applying it to the roses.

– Spray the Plants

Always try using Neem oil spray on a small part of the roses and wait between twenty to 24 hours, closely observing the plant’s reaction. If no damage is caused to the leaves or flowers of the roses, you should now mist the plants thoroughly. If the roses respond negatively, try adjusting the mixture accordingly to suit your needs.Spraying Neem on Thrips

This process applies to both indoor and outdoor-grown roses. When using Neem oil for thrips-preventative purposes, apply it to the roses once every two weeks. In the event of an active thrip infestation, consider spraying the roses once a week to wipe them out.

When using the soil drench method for preventative purposes, consider soaking up the soil once every 21 days. Additionally, make sure the leaves are completely wet including on the undersides. Please note that, when rose seedlings get in contact with Neem oil, they can burn.

Frequently Asked Questions

– How Safe Is Neem Oil on Humans and Pets?

Neem oil is safe for both humans and pets when it is used correctly. Remember, Neem oil is a natural pesticide that is also organic, and it breaks down very fast.It’s advisable to wash your hands thoroughly after handling a Neem oil product to avoid any possible problems.

Neem oil can be dangerous to aquatic life, for instance fish. You should be very cautious when using it near streams or ponds. Organic control methods are however friendly to pets and dogs.

– How Does Neem Oil Kill Thrips?

Neem oil kills thrips by affecting the hormones that make thrips and other pests like spider mites mate or eat. This prevents their numbers from increasing and starves them at the same time. It takes two or more days before you start seeing the effects of the pesticide.

When Neem oil is applied to a part of the plant where thrips and other destructive intruders like leaf cuttings bees are hiding, it blocks or disrupts their breathing systems which eventually kills them.

– How Often Can You Spray Neem Oil for Thrips?

If you are wondering how often to spray Neem oil for thrips, twice a week is a good start if you intend to prevent thrips infections. If you are controlling thrips that are already existing, Neem oil application should be done once a week.

When using the organic Neem bliss 100% pure cold pressed seed oil or Natria Neem oil, you should apply it once in seven to 14 days. In high thrips population situations, apply it weekly for the best results.


Neem oil works perfectly on all thrips species, which include chili thrips. For emphasis’ sake, take note of the few key points from this guide as outlined below.

  • Neem oil prevents and controls thrips that have already taken refuge on your rose plants.
  • Once you notice tiny, black-winged insects on your roses, prepare to isolate the affected plant.
  • Always begin by spraying only a small part of the roses and wait between 20 to 24 hours observing if the pesticide has any negative effects on the plant.

Applying Neem oil has proved to be much more effective than using other non-toxic and environmentally friendly methods like sticky traps. Now that you know how to treat thrips on roses, do not waste time, get Neem oil and protect your lovely roses!

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