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Thanks to the advice of experts from the Plant Clinic, understand the diseases of your flowers and learn how to treat them. Today, it is a cherry laurel which is submitted to Jean-Louis Leca, after black spots have appeared on the leaves. Follow his analysis and recommendations on video!
Question from the user
<< Bonjour, je possède un laurier cerise qui est planté en pot et qui vit dehors. L'année dernière, de petites taches noires sont apparues sur ses feuilles. J'ai donc essayé de le traiter avec de la bouillie bordelaise, mais ça n'a pas fonctionné. >>
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Auscultation and diagnosis
The plant presented by the Internet user is a cherry laurel, very known for being often planted in the form of a hedge. In this case, the gardener planted it in a pot and placed it outside because it is a very robust plant. Despite treatment with Bordeaux mixture during the past year, black spots have recently reappeared on the leaves. It is important to note that the climate plays a big role in plant health. Those who are outside have suffered a fairly harsh winter as well as cool and very rainy periods which have certainly degraded the substrate.
In this particular case, it is strongly advised to repot the cherry laurel by providing it with a quality substrate and paying particular attention to good drainage of the soil. Care must also be taken not to overwater the risk of creating root rot. Thanks to the arrival of spring and the rise in temperatures, the cherry laurel should regain its shape and succeed in removing these black spots on the foliage. You too, ask your questions at The Plant Clinic! Also discover how to treat an oleander with black spots and how to promote the flowering of an oleander.