Pests of roses

The enemies of the rose

The rose masters in most of our gardens and terraces; the colors of its flowers communicate a kind of poetry and elegance to us. Flower par excellence, it is not very difficult to grow, just follow some precautions to have robust, healthy and lush roses that will be a source of pride and personal satisfaction. Often, however, even these beautiful flowers are victims of parasites that can infest them and cause sometimes very serious damage. In this article we will talk in particular about the animal parasites which, unlike the fungi that target the whole plant (see section "diseases of the rose"), attack in particular leaves and buds of branches at a young age, causing them more or less serious damage.

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They are the famous lice. The attack by these parasites occurs in a particular way at the beginning of the spring period, they especially target the new shoots by feeding on the vital substances contained in them and causing them to dry out and curl up; the infestation by these enemies can also favor the spread of very serious viruses that could also kill the plant. The use of specific products is recommended.

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Tentredine of the rosebushes

They are insects that mainly affect the leaves of roses during the summer period; they deposit the larvae they feed on and damage the leaves by consuming them. These parasites lay their eggs in a row or fishbone on the young branches of the plant, you can try to identify and eliminate them or, in case of massive infestation, you will have to resort to the administration of insecticides and specific products.


These insects lay their eggs towards the end of March. The larvae of this parasite hit leaves and buds, preventing their regular development; they nest on the leaves, feed on them and bring them to curl up. The use of pesticides is the only remedy to defeat this enemy.


This type of insect is not particularly dangerous, so much so that in the event of an attack, in general, the administration of pesticides is not necessary. They are very ingenious parasites, they use rose leaves to build small houses in which they will lay their eggs. They feed on pollen and nectar present in flowers.

Red spider

The spider mite is a very annoying mite, a typical enemy of ornamental and fruit plants. If it manages to infest the plant, it spends the winter season inside its bark and then, in the spring period, feeds on the nutrients present in the leaves, causing them to yellow and consequently fall. This enemy is fought through the use of specific products.


It is an insect whose larvae feed on the vegetable substances contained in the plants; they arise from a kind of foamy container produced by the insect, they can have many colors but, in most cases, they are yellow. They can be eliminated without the use of insecticides.


They sneak inside the flowers, feeding on stamens and pistils, causing very serious damage. Individuals can be eliminated by hand without the use of pesticides.

Rose cochineal

This parasite mainly infests wood and the underside of leaves, creating dark or yellow shield-shaped formations on them. It can be eliminated with an alcohol wipe or by washing the leaves with soap and water then rinsing well. Another very effective remedy is the administration of mineral oil.


The peculiarity of this parasite is that it feeds on the leaves of the plant and only advances the ribs of them, thanks to this the attack by caterpillars is quickly recognizable. The administration of suitable insecticides is recommended.


It is a small insect that hides on the stems or under the leaves of the rose, with a gray-blue color. It feeds on the nutrients necessary for the development of the plant, thus leading to a progressive deterioration. It produces a sticky substance with a consistency similar to cotton. They fight with specific insecticides.

Roses flies

This type of insect can cause more or less serious damage; it is similar to a small wasp and lays its eggs in stems that have been cut for pruning, the larvae feed on the substances contained within these stems, weakening the plant more or less massively. To avoid serious damage, you can proceed with the elimination of the apex of the stems that do not bloom and that are dark and weak.

Pests of roses: Curculionidi and Oziorrinco

They are beetles that can have different colors that infest the plant especially during the night; they nourish of the leaves and buds in particular of roses with light colors and intense perfume. They are defeated by eliminating them manually or with the use of pesticides.

What are the most common plant pests and how to fight them naturally: the practical guide

THE plant parasites they are the number 1 enemy of all who practice gardening is horticulture for work or pleasure. Certainly such a broad topic is not easily summarized in a single guide, but nevertheless we can make a summary of the main threats and useful remedies to deal with them.

Between pests, molds, insects, mushrooms, mites and dozens of little creatures that can seriously compromise the health of our plants, the danger it is always lurking. Often they are so small that they turn out invisible. They silently strike some parts of the plant to then affect the entire structure and if we do not intervene quickly with the right solutions, they can be lethal.

Instead of resorting to pesticides, insecticides and other chemicals that are harmful to both our health and that of plants, you can try some natural remedies very reliable. As always, prevention is the most effective weapon also against plant parasites: just recognize them and flush them out quickly before it's too late. Let's see how to do it and what are the natural pesticides do-it-yourself safer and ecological.

List of plants that fight against plant pests and fungal diseases


The onion, a versatile and healthy bulbous used in the kitchen for the preparation of various recipes, is also a precious friend for fruit, horticultural and ornamental plants. Thanks to its acrid and pungent smell, it manages to keep various fungal or cryptogamic diseases at bay, such as the white disease or powdery mildew: a very common fungal that affects fruit trees, cucurbirtaceae, solanaceae, flowering plants such as impatiens, aromatic like mint. Onion is also effective against infestations of different types of flies such as celery and especially carrot.


Carrot, a vegetable present on our table practically all year round, both cooked and raw, is grown in the vegetable garden to protect the onion from the onion fly. Practically onion and carrot exchange favors.


Garlic, the small bulbous essential in the kitchen, capable of carrying out a protective action against parasites and fungal or cryptogams. Its effectiveness is greater against aphids and mites that infest ornamental plants such as roses and some succulents and strawberries grown in the garden or in pots. A few plants are enough to avoid the risk of infestations or nebulizations with the garlic macerate.

Insights: Garlic cultivation.


It is the queen plant of summer crops both in pots and in the ground. Tomato plants, especially the stems and leaves, keep cabbage, altica and various flies at bay. Their macerate is an excellent natural pesticide also against aphids and more.


Celery is an aromatic herb that is widely consumed cooked and raw for its healthy properties if it is grown together with onions, it protects them from the attack of Delia antiqua or the onion fly.


Spinach is a healthy leafy vegetable both raw and steamed. It is grown together with chard, crucifers such as cauliflower, brassicas such as turnip greens and rocket to protect them from attack by the altica or earth or garden flea, a very harmful polyphagous beetle.

Insights: Spinach.


A herbaceous plant grown as an ornamental in pot and directly planted. The leaves and flowers give off an acrid and pungent smell that keeps aphids, mites and other types of parasites away from crops. The leaves and flowers can be used to prepare an excellent homemade macerate also suitable for organic crops.

Lantana camara

An ornamental plant that defends others from parasitic attacks, also useful as a natural repellent for mosquitoes and other annoying and harmful insects.

Insights: Lantana camara.


A wild herbaceous plant that grows everywhere even in cracks in walls. It is very useful for the biological defense of horticultural plants such as aubergines, peppers, courgettes, etc., which are attacked by aphids, spider mites, mites in general and other harmful insects.

The nettle macerate, rich in formic acid and salicylic acid, has a very effective repellent action against downy mildew and powdery mildew, acts as a defenses stimulant and enriches the soil with nitrogen and other microelements.

Insights: Nettle.


An edible medicinal herb that is easy to grow even in pots. It grows spontaneously in uncultivated land and effectively counteracts infestations by aphids and mites, harmful insects but a precious friend for the melliferous ones, for butterflies and for our well-being. The only problem is that as it is invasive, its development must be controlled, in fact it sows itself.


Another pesticide plant is tansy. It is a perennial plant with a thin and more than one meter high stem. It produces umbel inflorescences composed of yellow flowers that give off an unpleasant odor. And it is this substance that works as a pesticide to eliminate aphids, mites, moths and cabbage. Tansy leaves and flowers are also used for the preparation of natural insecticides.


Horsetail is an anti-parasitic plant that grows spontaneously in partially shaded wet soils. It has always been used as a pesticide by farmers in association with crops or to prepare macerates useful for their defense. It is effective against aphids, scale insects and red spider mites.


It is a spontaneous anti-parasitic plant, which adapts well to dry and not very humid environments. It is used for its strong insecticidal and repellent power against ants, snails, mites, aphids and cabbage.


A very decorative officinal herbaceous plant rich in beneficial active ingredients. In addition to attracting bees, butterflies and many other melliferous insects with its brightly colored flowers, it has the ability to remove nematodes from the soil of the worms that damage above all the roots.


A flowering climbing plant grown for ornamental purposes but very useful in the garden and in the vegetable garden in defense of plants that are attacked by aphids: roses, oleander, tomatoes, beans and courgette plants.

The Nasturtium is sown in spring and produces beautiful edible flowers from June to October.


This beautiful and fragrant ornamental plant rich in beneficial properties, if planted at the foot of roses, defends them from attack by aphids. It is an ideal plant to keep ants at bay too.


Few are aware that this splendid ornamental plant with aromatic leaves and very decorative flowers is widely used not only in gardening to create flower beds, embellish terraces and balconies but also to prevent the soil from being infested with nematodes. To carry out this important repellent action are the toxic substances present in the roots of the Marigold.

The marigold is associated with vegetables such as carrot, potato, cabbage, tomato, cabbage, also with fruit trees such as pome fruit, vine and stone fruit.


A very beautiful and very common ornamental plant cultivated everywhere for the continuous profusion of flowers and which is increasingly used in the vegetable garden to protect the potato crop from the attack of the Colorado beetle. It is enough to create a perimeter border of petunias as a natural deterrent and at the same time have a garden that is very pleasing to the eye.


A spontaneous herb with small daisy-like flowers, known and used since ancient times for its calming and mildly sedative properties. It is grown in the garden as a pesticide for the leek moth.

The plants listed are natural biological pesticides that are non-toxic to humans, the environment and beneficial insects.

Pests of roses, how to fight them with natural methods

The rose are considered the queens of flowers and in fact their beauty really leaves you breathless to have lush roses with abundant flowering, pay attention to the parasites which very often affect these splendid flowers, compromising their beauty. How to fight them? Of course with natural methods.

Neutralize i pests of roses without resorting to chemicals it is possible: just know the natural remedies.

Among the parasites that often attack roses are the aphids, also known, and not surprisingly, with the name of lice of roses are small parasites that hide under the leaves at the base of the buds and that feed on the sap of the roses. To fight them you can use simple ones natural antagonists, like the ladybugs, which feed on aphids. Alternatively, you can prepare a garlic decoction that will prove to be a very powerful natural pesticide.

To prepare the garlic decoction proceed as follows: boil two heads of garlic in a liter of water until they flake, let them cool and filter the water with a colander, pour the liquid obtained into a spray bottle and sprinkle the entire rose plant in order to eliminate parasites this system is also useful against cochineal.

If your roses have been affected by the rose flies, the only effective remedy will be to prune the damaged part, these parasites, in fact, develop inside the stem and feed by eating the inside of the plant.

If the leaves of your roses turn out nibble, take a good look: among them you should find a caterpillar. How to do? Prepare a natural remedy based on water and pepper.

If, on the other hand, you notice some black spots on the leaves, it means that the plant has been hit by a mushroom run for cover by preparing a specific natural treatment. In a basin, put three and a half liters of water, a spoonful of baking soda and three drops of dish soap, mix everything and place the liquid in a spray bottle with which you will spray the affected plants once every two weeks.

The best tips for caring for roses

Rose care is considered the queen of gardening disciplines - after all, it is the 'queen of flowers'. Indeed, roses have special needs and require a lot of attention and care. But with a few tips and tricks you will learn to understand these garden divas - and with a few simple steps you can make them beautiful. We will show you how!

What to look out for when buying a rose

There are many different variations of roses on the market. Especially in the fall, nurseries sell bare-rooted roses without earthen bread. These should be watered and planted immediately after purchase, as otherwise the plants will dry out quickly. If the weather conditions do not allow it, until planting, you can place the roses in a shallow hole and cover the sensitive roots with soil. In earthy bread roses, the roots are already surrounded with earth. The root ball is held together by a special fabric, a cotton net, which decomposes in the ground after planting. You can also buy roses in pots or containers. They are available all year round and can be planted from spring to fall. The advantage is that the roots have developed very well in the pot - so the growth of the plant will be made much easier.

Planting bare root roses

Because of the unprotected roots, bare root roses are particularly sensitive to dehydration. They should be planted immediately after purchase. Here we suggest what kind of attention to pay.

The best time to plant roses

Early autumn is particularly suitable for planting roses: the soil is still warm for the summer months just past, and the young plants have enough time to root their roots into the ground before winter arrives. Already in spring, the plants will have developed well and will probably have a more intense flowering than the roses planted in the first half of the year. Especially bare root roses are perfect for planting in the fall and are less expensive than those with earthen bread or plants in containers.

The ideal exposure for roses

For roses to grow well, the garden soil should be permeable, well oxygenated, deep and not compact. As the queen of plants, the rose prefers to be among its peers, the intertwining of roots of other plants are an obstacle to its growth. The ideal exposure is sunny, but without excessive temperatures. In the long run, even the most sensitive varieties do not tolerate shady places. Roses need to be in airy places not too close to each other - this way the leaves can dry out faster after rain and will be less susceptible to fungal diseases.

Caring for roses in pots or planters

Anyone who owns a balcony and absolutely wants to enjoy the enchantment offered by blooming roses must know: many varieties thrive excellently in pots. Provided you provide a correct, sunny location and a suitable pot (cylindrical shaped at least 40cm tall), your rose plant will delight you with lush profusions of flowers. Roses develop deep roots: the bigger and deeper the pot, the better off they will be. However, there are also varieties that fit well even in small pots.

Plant the roses in pots or planters

Roses that grow in pots or planters have other needs than those planted in the garden. Here you will find all the special features.

The wintering of roses in pots or in flower boxes

The root system of roses must not freeze in winter. Roses in planters must therefore be adequately protected from the cold, for example with foliage, wood shavings or bubble wrap. Alternatively, the plant can overwinter in a frost-free but cool place. Tall roses tolerate cold temperatures better and can safely remain trunk and foliage outdoors, however, they must be protected with non-woven fabric or jute bags.

Nutrients and water: the right care

Only roses full of vitality can develop their full beauty. So, pay attention to the "diet" of your floral favorites! For vigorous growth and colorful blooms, roses need sufficient nutrients and watering as needed during the growing season. In times of drought, roses can be safely watered abundantly. Preferably water infrequently but abundantly! Due to the deep roots, the water must also reach the deeper layers of the soil. Since, if you wet only on the surface, the rose will produce thin roots only in that area of ​​the soil, becoming more sensitive.

The development of lush blooms requires a lot of energy from the plant. At this stage, they use a lot of nutrients they draw from the soil. With regular fertilizing, this balance can be maintained, making sure that your roses develop optimally and maintain their resistance against diseases and pests. This is especially true for potted roses, since the supply of nutrients in a vase is always limited. In our product range, you will find many fertilizers adapted to the needs of roses. For example, for potted roses, a liquid fertilizer is recommended that can be simply diluted with irrigation water. Roses in flowerbeds, on the other hand, will benefit from our long-lasting fertilizer which releases nutrients suited to the needs of these plants for up to six months. Another more organic alternative would be our long-lasting fertilizer with sheep's wool, suitable for ecological agriculture.

Pests of roses: natural remedies to eliminate them

Not much is missing blooming roses but, if you want to see an explosion of colors and scents in your garden, you will have to pay close attention to parasites affecting roses and compromising their correct flowering.

So sharpen your eyes and take a good look at every angle on your plants rose: once you have identified any insects, you will only have to choose the right one natural remedy to neutralize them!


The most common pests are the aphids or rose lice: these tiny parasites, which hide under the leaves and at the base of the buds, suck the sap from the roses, inevitably making them sick. If you can spot them in time, getting rid of them won't be difficult. To do this, one of the most effective and totally natural methods is to resort to ladybugs, insects that feed on these small parasites. To create a garden that attracts ladybugs, you just have to choose the plants carefully: find out what they are HERE >>

Alternatively, you can always resort to the famous garlic decoction, very useful to remove parasites: put two heads of garlic to boil in a liter of water until they completely flake off. Then let it cool and filter the water with a colander into a spray bottle. Then spray the entire rose plant in order to eliminate all "unwanted guests". This method can obviously also be used to prevent invasions by small parasites.


If, on the other hand, they are the ones who attacked your roses rose flies unfortunately you just have to prune the damaged part. This parasite, in fact, it develops inside the stems and feeds by eating the cavity of the plant. The only effective remedy is to cut the contaminated part which will turn out to be, in fact, hollow and darkened.

The leaves of your roses turn out nibble? Look carefully between branches and flowers and you will undoubtedly find a caterpillar: in this case you just need to create a natural remedy based on water and pepper. You can accomplish easily at home!

Finally, if you have noticed black spots on the leaves of roses, your plant has been affected by a mushroom, or is suffering from an infection called "rose scab". To heal the rose There are two remedies for this disease: first of all, you must eliminate the infected leaves (both from the plant and from the ground) and, subsequently, treat the earth with a copper-based antifungal. Then avoid wetting the leaves for at least a week: the main cause of scab is excess water!

Also discover:

Images: iStockPhoto, Video Credit: via YouTube @ Gardentrifoglio

Rose cultivation

The cultivation of roses requires basic knowledge, with which excellent results can be obtained. Some typical measures of the cultivation of these species combined with the knowledge of the peculiarities of the different varieties can make the difference between a rose garden kept in perfect condition and a poor one. In this column you will have the opportunity to explore topics that are very dear to those who love roses, such as the pruning of roses, planting, the prevention of pests and diseases and other essential issues such as irrigation and fertilization of roses.

Rose pruning

Read the tips and tricks to perform a correct rose pruning, so as to have healthy plants with beautiful blooms.

Rose planting

Read our tips on how to proceed for planting roses in order to have healthy plants capable of giving lasting blooms.

Rose graft

Thanks to the rose graft it is possible to obtain new plants for your garden. Let's see what are the operations to be carried out to have good results.

Rose parasites

Growing flowers and plants in your garden is a source of satisfaction, however, due attention must be paid to recognizing the different types of parasites in roses, to prevent the plants from suffering even serious damage.

Diseases Rose

It is good to know the different types of rose diseases that can affect your plants, so as to be able to effectively combat them.

Fertilize Roses

Knowing how to best fertilize roses is essential in order to have strong and healthy plants, capable of producing fascinating and long-lasting flowers.

Rose watering

Knowing how and when to irrigate roses is essential to avoid problems for the plants and keep them in perfect health. Here's how to do it.

Photo Rose

A section entirely dedicated to rose photos, to allow you to view fascinating images and learn some tricks on how to photograph your favorite roses.

Rose meaning

Read about the hidden rose meaning for each variety of these beautiful flowers, which are often only known as a symbol of love.

Rose variety

The rose varieties are numerous and can take on very different characteristics. With the articles in the section we will try to tell you about some particularities of each type, so as to provide you with useful and interesting information.

Growing tips

Here is an entire section dedicated to rose cultivation tips for you, so as to discover the operations necessary to take care of your plants in order to have healthy and luxuriant specimens.

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