Having a beautiful rose garden with colorful petals is so pleasing to the eyes and mind. It would be a pity if their beauty is disturbed by bugs. Flowers themselves are natural attractants for bugs. As a flower that blooms beautifully during spring and summer, it’s common for roses to get infected by pest bugs such as aphids. So, do you know how to get rid of aphids on rose?
Don’t worry if one of the plants in your rose garden is infected by aphids. Most pest control methods can be used to get rid of aphids. For roses aphids, there are several ways you can do including using organic materials to chemical insecticides.
But before learning how to get rid of aphids on roses, you must first understand what rose aphids are and how they can affect your plants.
Bugs on Roses, Good or Bad
With those large petals and prickly stems, roses can support a large population of sap-suckling aphids. The most common rose aphid species is Macrosiphum rosae, a small green or pink insect clustered in the foliage, flower buds, and shoot tips.
The size of a rose aphid can reach 3,5 mm in length. They are also known as a greenfly. They appear in clusters and have wings. This bug causes plants to become sticky by producing a large amount of honeydew.
In the late stage of infestation, aphids can cause deformed flowers, the wilting of shoots, and even defoliating the plant, eventually killing it.
Even though aphids are an important part of many food chains in the garden, they may kill or damage your roses seriously if left unchecked. So, it’s really bad to let bugs thrive on your rose plant. Therefore, whenever you find out aphid colony in your roses plant, an action to control aphid growth will be necessary.
Roses aren’t just attracting bugs by their appearance and smells. Their root is also normally known to host root aphids. The root aphid doesn’t seem to affect the health of roses, so there’s no need to worry.
Where do Aphids on Roses come from?
Aphids are natural pests that can be found in gardens. So, it can be said that they do not come from outside as the garden is their natural habitat.
Few things can affect the growth of these aphids, and lack of hygiene is one of them. Instead of worrying about where the aphids come from, we can focus more on the signs of aphids’ appearance.
Well, aphids aren’t easy to avoid, but they are easy to identify. Here are some symptoms that indicate aphids on your roses.
Sticky honeydew covers flower buds and foliage, and black sooty molds may grow on those sticky plants.
White aphid skin is often found on infested flower buds and leaves. The green-pink insects fly around the flower buds, the tip of the shoots, and young foliage.
How to Get Rid of Aphids on Rose Permanently
Do you know how to get rid of aphids on rose once and for all? To do that, you’ll have to understand this insect’s characteristics first.
Aphids usually appear during spring and summer. So, checking roses frequently from spring is the essential thing you need to do. By keeping your roses in check, preventive action to avoid aphids can be prepared. However, sometimes aphids grow rapidly, and we may find them late when they already build colonies on your roses.
If that happens, you can choose plenty of aphid controlling methods, from a simple non-pesticide control that minimizes harm to non-target animals to pesticide control that is likely to kill natural enemies and possibly get rid of aphids permanently.
Starting from non-pesticide control, you can simply use your finger and thumb to rub and squash aphid colonies. This method might be a bit disgusting for those who aren’t used to it, but you can always wash your hands after.
You can also encourage aphid predators in your garden, such as ladybirds, ground beetles, hoverflies, parasitoid wasps, and earwigs. They can also make your garden livelier. You can also try spraying water on the affected rose since aphids hate water. Ensure to spray the above and below leaves surfaces repeatedly because aphids tend to lay eggs on the plants.
Another safe way to control aphids is using a garlic or chili spray. The composition of two teaspoons of crushed garlic or chili in 500 ml of water should be enough to make a potent ant-aphids spray potion. First, dissolve those ingredients and let them sit for a couple of days.
Then strain and spray onto the rose plants that are affected by aphids. This home remedy is highly effective and persistent. You just need to spray it regularly each week. Garlic and chili can also be good companion plants for roses. Other companion plants that can help roses grow less prone to aphids are chives, mint, and lavender.
Pesticide controls are more diversified, most of them including chemical controls. Ensure to put safety first when choosing this method. Pesticide controls commonly used to get rid of rose aphids are organic sprays or plant oils with Pyrethrum or Neem. These pesticides can give good control of aphids but have a very short persistence.
You may need to regularly reapply the spray and oil to keep aphids in check. Plant invigorators with surfactants or fatty acids also can be used to control aphids. These pesticides contain synthetic ingredients that are physically against aphids.
When using chemicals, please note that the products may also kill good insects and natural aphid predators. Also, note that the life cycle of aphids is short, with many generations in one year. Therefore, as they regenerate every season, they can become immune to certain chemicals if used too often. Periodically changing the spray with a different chemical can prevent aphids from becoming resistant.
Flower gardening may sound easier than vegetable or fruit gardening because flowers are just ornamental plants. However, remember that good practice in cultivation methods, cultivar selection, garden hygiene, and encouraging natural enemies are always coming first in managing pest control and avoiding diseases in your garden. Be sure to always take care of your garden regardless of the type of plants you grow.
Now that you know the most efficient method of how to get rid of aphids on roses, you might also want to learn how to deal with vine borers! Find out how!