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Roses can be attacked by a variety of pests that affect the beautiful flowers. In addition to rose aphids and rose cicadas, the plants can also be damaged by: rose gall wasps, rose shooters, rose leaf wasps, rose lobsters, weevils, spider mites, rose leaf miner moths and rose beetles.
Natural partner plants against pests
Often, small-animals do not stand a chance, so planting the roses in a sunny, airy, not-too-humid place and choosing hard-wearing varieties will make the roses more susceptible to pests.
As protection against the attack by aphids lavender has proven itself, which is planted together with the roses; and also various herbs, garlic or onions can ward off small animals in advance by their smell.
Home remedies for rose pests
But even if the roses are already infected by pests, there are often simple means to free the plants of these:
- In many cases vermin can be easily removed by hand or sprayed with water.
- Also, by cutting off the affected leaves or shoots, the pests can be eliminated permanently in many cases.
- Herbal remedies often help: For example, spraying of field horsetail broth has proven itself against spider mites...
- ... and nettle broth helps against rose cicadas.
- A clove of garlic or onions, but also a solution of greasiness helps against aphids.
If all these measures are unsuccessful, it is necessary to resort to systemic biological or chemical pesticides which either control one or more pest species and also remove hidden vermin. Also special rose protection agents are available in the trade. In any case, care should be taken to destroy only the pests and not other beneficial small animals.
We have more interesting articles about roses for you. Among other things on the topics: cutting roses and climbing roses.
The first step - identify the rose pest
If your roses show any damage, your "detective skills" are required first. Against no pest you can act purposefully and meaningfully, if you do not know who or what it is. Once you've done that, you should be concerned about how strong the infection is that can be found on your roses - the intensity of infestation has a significant impact on what defensive measures can be considered necessary and useful.
When it comes to informing you about "your" pests and their defenses, it's best to stick to government agencies, where the emphasis is placed on the law and the well-being of citizens, rather than the need to sell as much as possible some pest identification sites on the internet are not very hard to spot. Of course, there are many excellent informational sites of companies on the Internet, but here you would have to inform yourself sufficiently in advance to be able to make the demarcation really - if you use too aggressive and potentially other damaging means, the liability is in doubt with you. If you do not have the time:
- In every town and every municipality, there is a specific section of the Phytosanitary Administration that very often also publishes comprehensive information on how to combat and control the pests that are specific to your region.
- The competent authorities may use the name Plant Protection Office, but also a whole lot of other names, if you would like to explore the authorities for the first time, you could simply call your local authority and ask for "Plant Protection".
- In Berlin z. For example, you can download a comprehensive information sheet from the relevant Senate Department, where you can find out everything you need to know about combating common pests on Berlin ornamental shrubs. This brochure can be found at: stadtentwicklung.berlin.de/pflanzenschutz/merkblaetter/de/download/ziergehoelze.pdf.
Other causes than rose pests?
If you are on the trail of the pest, you may find that it is not really a pest at all. The analysis of rose damage could also reveal that it is damage that is not caused by parasites. The proportion of these "non-parasitic damage causes" in the entire malformations that make a plant not look healthy, is even very high.
- Often it is just about weather effects, or very special location conditions have a disadvantageous effect on your roses, both perhaps because their rose variety for this particular weather or these special location conditions is not really suitable.
- Or the nutrient supply leaves something to be desired, or you have withheld too much in the watering, if everything is improved together, this can often leave your rose "wonderfully healthy".
Adequately combat rose pests
If a pest really crawls around in your roses, you do not have to fight every infestation first, some sucking insects like aphids can take good care of your rose, and they feed the beneficial insects that feed on other pests. If it crawls vigorously, then the home remedies are your turn, the information you have gathered in identifying the pest may well tell you which "gentle" remedy best suits which hungry small animal.
Prevention or "sad farewell"
In the end, it may help to prevent it, and in the case of fungi and some other pests, plant tonics can give your rose more resilience. If they can not do that, the rose is likely to disagree with the basic conditions you have for saying goodbye to her and earning a more resilient heir to feel right at home in the climate of your garden.