Updated at: 17-06-2022 - By: Sienna Lewis

A common pest in rose gardens is thrips, which may be found in flowering plants and even chili peppers. We’ll discuss how to deal with these pests in this post. Once thrips have infested our roses, it’s difficult to get rid of them.

Identifying Thrips on Roses

Thrips are little, fast-moving, winged insects with brownish yellow wings. Red dots and brown streaks are frequently found on the petals of flowers they seem to prefer. In most cases, the flower buds are malformed and do not open. The chili thrips feed on the plant’s leaves and stems, eventually decimating the host plant as a whole. How much damage they can cause in a short period of time is mind-boggling! If the chile thrips attack the rose bushes or plants in the gardens at the earliest stages, they will soon kill the entire host plant.

How to control Thrips on Roses organically || Cinnamon and Blue Traps for Thrips - YouTube

Controlling Thrips on Rose Bushes

Thrips can be difficult to manage because they inhabit the buds and flowers of flowering plants like roses and other ornamentals. Thrrips feed on the sap found in flower petals by rasping the tissue and sucking the sap from the flowers. Thrips begin their life cycle on a variety of grasses and weeds.

It is only when those sources are eliminated that they move on to the garden’s plants. Once they discover the blooms in our gardens, the thrips that attack them multiply rapidly. The thrips’ life cycle can be completed in two weeks, therefore their numbers will rise swiftly if a means of control is not implemented as soon as possible..

When dealing with a thrips infestation, utilizing a systemic insecticide may be the best option. The thrips love to hide, feed, and breed in the most inaccessible areas of the rose bushes treated with systemic insecticides, which migrate throughout the plant’s tissues. Choosing to use an insecticide is always a difficult decision. Using an insecticide that has the best possibility of immediately eradicating the problem will save time and money in the long run.

Insecticide labels should be carefully reviewed to ensure that thrips are included in the list of insects that are being controlled. Chili thrips may be controlled with most insecticides, but frequent spraying is crucial to success. I don’t like using insecticides, but the damage these pests may cause in such a short period of time deserves careful thought. It’s critical to be on top of, or even better, ahead of, a significant attack.

Automated irrigation has become commonplace in many people’s backyards. When we water by hand, we get a better look at the rose bushes and other plants in our gardens since we’re able to get up up and personal with them. When an insect or fungal invasion occurs, it can swiftly and easily take control.

When a problem is discovered, the options for resolving it are extremely restricted. Remember that the garden thrives when the gardener’s shadow is constantly cast over it. At least once a week, take a walk through your garden and inspect the foliage of your rose bushes and other plants for any signs of pests or disease.


As they only come around once every year, grasshoppers leave the roses appearing sparse. Plant foliage is eaten by them, with the sides of the leaves being chewed on, forming an uneven border around the plant Rose buds can be nibbled and the developing petals can be damaged, as they can chew into the center of new shoots and collapse them.

  • In a year, grasshoppers only have a single generation.
  • As they only come around once every year, grasshoppers leave the roses appearing sparse.


Your hose is a good place to start because they are averse to water. Spraying the rose plant with water from your hose prevents the pests from setting and they will soon go on if you have a tiny infestation or have only seen the signs. Spray both the leaves and the underside of them.


Remove all of the damaged flowers.

Make it easier for natural predators such as ladybugs and lacewing larva to take care of pests, such as thrips.

Reduce breeding grounds by pulling weeds.

You can also use a garlic or chili pepper spray. Add 500mls of water to two tablespoons of crushed garlic or chilli. Wait a few days so that the water has a strong flavor. Spray the plants with the strained solution. Despite the fact that this home remedy is quite successful, it will need to be repeated for a few weeks or after it rains.

Spraying roses with pesticide or Eco Oil may be necessary. Remember that the thrips lay eggs on the plant, so a second spray may be necessary a few weeks after the first. Always look for a natural solution before employing pesticides because they also kill the good insects and natural predators as well as the one you’re trying to get rid of.

There are several generations of thrips in one year. To combat thrip, the majority of chemical sprays on the market are either ineffective or ineffective at best.

Keep in mind that once the eggs laid by the first infestation hatch, you’ll need to reapply whichever remedy you choose.

In the long run, try growing your roses alongside Lavender or Garlic and Chilli, chives, or marigolds as companion plants. Protect your roses against further attacks using this method.

Manual Removal

Manually picking grasshoppers off of rose plants is one option. If you have a limited number of roses, this may help reduce damage from mild infestations. Nighttime is when grasshoppers are most active. The plant’s foliage should be examined using a flashlight. Remove the grasshopper and place it in a soapy water container. Insects can’t get out of the water because of the soap in the water.

Chemical Control

Using chemical pesticides may be necessary if the infestation is severe and the grasshoppers are doing significant damage, or if you have a big number of rose bushes in your garden. For grasshopper-killing purposes, the major ingredient in insecticidal soap is potassium salts of fatty acids. Another alternative is to apply a pesticide to the plants. Pesticide recommendations can be obtained from your local extension office.

How To Get Rid Of Thrips On Roses: 3 Easy Steps

Step #1. Inspect roses

Inspecting your roses for thrips is the first step in eradicating the pests. Preventative pest management is more successful than reactive pest control. In order to eliminate them, you first need to find out where they are widespread.

Do thrips attack roses in the same way they attack other plants? Roses with thrips have distorted foliage, inflated flowers, and discolored petals. When it comes to thrips, the University of Maryland recommends that you inspect your roses in June.

Sticky notes above the roses might be used to verify your suspicions. They should be able to catch adult thrips, which are difficult to spot because they are so small. To prevent thrips from hiding in the greenhouse, you should remove any weeds that may have accumulated.

Step #2. Isolate and remove thrip damage

By simply removing and pruning the injured areas of the plants, the most popular method of thrips control. Pests can be prevented from spreading by keeping the plants in a separate area, away from the rest of the plants. To help you slow down their activity and reduce their number while treating the affected roses, you can use this method.

Remove thrip damage from leaves, stems, and blooms and store them in a plastic bag that is well wrapped. As soon as you suspect a thrips infestation, it’s better to get rid of the nymphs and adult thrips in these areas. To avoid spreading thrips to other roses, be sure to keep your pruning shears and other tools clean at all times.

Step #3. Treat with insecticide

After removing the thrips, the final step is to apply insecticide to the roses. The greenhouse is a good place to treat plants infested with pests since it is easier to administer pesticides and target the infected areas. Even so, for the sake of your own safety as well as the health of your plant, it’s important to stress the need of thoroughly reading the insecticide label.

Insecticides are frequently viewed with skepticism by gardeners, but when the population of thrips swells to dangerous levels, it may be necessary. Using an insecticide early on implies that the thrips can be eradicated quickly and that chemical use can be reduced significantly. Furthermore, because thrips inflict such rapid damage, employing insecticides is the less harmful option.

Thrips on roses can be treated using a systemic insecticide. The pupas under the rose plants can be killed with half a cup of this solution sprinkled over the soil. You’ll be able to keep adult thrips out of your garden for the time being this manner.

When you’re done with the dirt, apply the pesticide on the rosebushes until it’s completely covered. In order to ensure that the insecticide reaches all the thrips, this must be done correctly. Then, if any thrips remain, you can spray insecticide once a week during the growing season.

Controlling And Preventing Thrips On Roses

It is always best to avoid pests in the first place when it comes to pest control. Grow your roses in the greenhouse, for example, to get them into a better climate. To avoid the spread of thrips, ensure that your property is clean and sanitary at all times.

Thrips on Roses

If you recall, the first step in the process is to inspect the roses. Even if you don’t think you have thrips, it’s a good idea to keep an eye out for them. Do not wait until thrip season to inspect your roses; make it a weekly ritual.

Your ability to control the thrips will improve with regular inspections. The removal and pruning of affected roses may be sufficient, and chemicals are not required. Pruning on a regular basis not only aids in eradication but also helps avoid thrips.

Predatory mites that can eat thrips in the early stages of their life cycle can also be added to the greenhouse. Before using insecticides, try neem oil if the infection isn’t too bad but you’ve noticed thrip damage.


Pests can attack even the most beautiful roses. Discolored petals, deformed leaves, and swelling flowers are all signs that thrips on roses need to be eradicated as quickly as possible. Remove the thrips and inspect the roses.

Having a greenhouse makes these tasks easier, but make sure you have a separate place for separating diseased plants. In other cases, you may be able to simply remove the affected sections, apply neem oil, or introduce predatory insects. This type of systemic insecticide is the greatest option for hard-to-control populations.