Caterpillars on roses - how to process

The warm season begins not only with the flowering of garden plants, but also with massive visits by pests. The appearance of caterpillars on roses is dangerous for their growth and development, only timely treatment from parasites will help save the garden from ruin.

Why are caterpillars on roses dangerous?

Green insects are among the main pests. During the attack, they actively destroy the green part of the plants: holes remain in the leaves, nutrients are supplied more slowly to the upper areas, shrubs get sick for a long time and die.

Caterpillars on roses - the eternal problem of flower growers

Attacks occur on plants in shaded areas. The parasites move to the bushes from nearby trees. The peak of caterpillar activity is early spring.

Rose leaf roll

Signs of the appearance of green caterpillars

Symptoms of a pest attack include:

• small holes gnawed by caterpillars, over time, only veins remain from the foliage;
• the absence of stamens and pistils in the buds;
• gnawed petals on flowers;
• loss of the appearance of the bushes;
• braided leaves and buds, so the larvae form a refuge during development.

What if the caterpillars are eating the leaves of the rose and they are all in the cobweb? Only remove to prevent the emergence of new generations of pests.

Caterpillar-resistant rose varieties

In order not to look for how to spray roses from aphids and caterpillars, you can take care in advance and plant shrubs that are not afraid of insect attacks. Breeders have bred many varieties that are resistant not only to parasitic insects, but also to diseases.

Angela

The culture is characterized by small flowers, up to 4 cm in diameter, growing in large numbers. The buds with a bright pink hue are collected in brushes that cover the foliage. The variety is undeservedly overlooked due to bad catalog snapshots. He almost never gets sick and always decorates his backyard with his flowers.

Angel grade

Westerland

Refers to fast growing roses, resistant to cold climates. In the landscape, it is used as a climbing or bush plant. The color of the petals attracts with its uniqueness, it combines:

• orange;
• pink;
• golden;
• apricot shades.

The color of pink shrubs changes depending on weather conditions, when sunlight hits, an illusion of glow from the inside arises. The variety is considered resistant to pests and many diseases.

Westerland

Scarlett

Distinctive features of the culture are excellent health, rapid growth and development, high adaptive abilities and endurance. The variety has small flowers of a bright red hue, wavy petals. After the end of flowering, the buds do not crumble, but dry up on the bushes.

Scarlett

Schneevitchen and others

The cultivar with the official name Schneewittchen can be recognized by its small, light green buds, up to 6 cm in diameter. In hot weather, semi-double flat buds are smaller.Flowers are collected in large inflorescences, they bloom within 2-3 weeks. The bushes of the culture are large with light green, shiny and sparse foliage.

The only serious disease affecting a rose is powdery mildew.

Schneewittchen

There are other varieties of rose bushes that are resistant to caterpillar attacks. These include:

• William Shakespeare 2000;
• Don Juan;
• Leonardo da Vinci;
• Nina Weibul;
• New Down;
• Rosarium Utersen;
• Swanny (Swanee);
• Simpati;
• Fairy;
• Freesia;
• Eden Rose;
• Utersen.

Prevention of rose bushes from the appearance of caterpillars

In order not to wonder what is the best way to treat roses from aphids and caterpillars, it is necessary to use methods to prevent their attack:

• in early spring, hang up specialized traps for butterflies, whose larvae cause significant damage to the buds, consisting of glued houses with sticky sheets impregnated with pheromones;
• after opening the buds, the stems are regularly inspected, since they may contain clutches that need to be removed;
• before blooming, plants need to be sprayed with nitrophen, in May - with bifenthrin.

What chemicals to treat roses if caterpillars have begun to eat them

The fight against the invasion of parasites is carried out in different ways. Chemical solutions can be purchased at flower and garden stores. They easily destroy larvae and adult insects, and help prevent repeated attacks of pests. Treatment is carried out in the morning or evening in dry and calm weather.

Chemicals are best used in the morning.

If caterpillars are found on roses, than treat with chemicals:

• nitrophene. Recommended for use at the first sign of pests. Shrubs are sprayed with a solution of the drug from the first days of spring. The tool shows maximum efficiency when single larvae appear, prevents a repeated attack of parasites for 2 months. For the procedure, 300 ml of the substance is diluted in 10 liters of water, the resulting chemical is sprayed not only with roses, but also with growing crops;
• actara. Refers to insecticides with a wide spectrum of action. The destruction of insects takes place after one full procedure due to the penetration of active components into the structure of the foliage. The mixture protects shrubs from rain and high temperatures, the effectiveness is maintained for one calendar month. For spraying, mix 8 g of actara in 10 liters of water. If the need arises, you can re-process roses no earlier than 30 days after the first procedure;
• actelik. Professional exterminator of indoor and garden pests. The procedure is carried out regardless of the growing season; for prevention, the bushes are sprayed in late May or early June. The duration of the action of the chemical is about a month, the maximum efficiency is noted during the first 2 hours. To prepare the solution, 2 ml of actellik is diluted in 2 liters of water.

Folk remedies for fighting caterpillars

The destruction of pests can be carried out using alternative methods.If roses are eaten by green caterpillars, what is the best treatment? You can use one of the folk recipes:

• burdock solution: 1/3 of the enamel bucket is filled with fresh plant leaves, water is added to the container and the mixture is infused for 72 hours;
• decoction of nightshade: take 5 kg of chopped foliage on a bucket, add 10 liters of water, boil for 4 hours, add 4 liters of liquid after filtration. Problem areas are treated with a cold solution;
• with a decoction of wormwood: for 1 g of plants, take 3 liters of water, the mixture is boiled for 10 minutes, at the end, 10 liters of liquid are added and left for 10 days;
• mustard powder. They are sprinkled on the ground near the bushes. The method helps to prevent the tracks from moving with nearby crops.

Spraying with solution

Shrubs can be pollinated with a solution of mustard. To prepare the composition, take 100 g of powder and 10 liters of water. After complete dissolution, the finished mixture is sprayed with roses. After a day, the bushes can be washed with clean water.

If the roses have green caterpillars, then every grower should know how to process it. You need to choose one of the available methods (ammonia, mustard or chemical composition) and follow the recommendations for the procedure exactly. The correct use of store-bought preparations will help not only to destroy the larvae and adults, but also to prevent their repeated attacks on garden plantings, to get rid of uninvited guests for a long time.