Wisteria will quickly green walls and pergolas, sprinkling them with thousands of beautiful flowers. It is them that make the wisteria one of the most beautiful climbers. Although easy to grow, it can be attacked by pests andwisteria diseasesSeewhy wisteria has yellow leavesand how to prevent it. Discover ways to have a he althy and beautiful wisteria in your garden!
Why does wisteria have yellow leaves?
Wisteria is a fast growing climber with extremely decorative flowers.Violet, purple blue, white, light lavender - there are many varieties of wisteria and each one is amazing. However, sometimes wisteria gradually ceases to decorate the garden, andyellow wisteria leavesbecome a nuisance for its owner. That is why it is worth knowing3 the most common reasons for yellowing wisteria leavesand ways to restore the beautiful green of its leaves to the plant.
1. Wisteria has yellow leaves, because we make mistakes in the cultivation
Sometimesthe problem of yellow leaves on wisteriaresults from errors in the care of this creeper. Wisteria likes a fertile and well-drained medium with a neutral pH (pH 6-7). If the substrate is too alkaline,wisteria begins to have yellow leavesSo remember to provide it with a suitable position, and additionally fertilize with a balanced fertilizer for flowering plants, which will also provide a balance between the necessary macro- and microelements. In the case ofthe wrong pH of the soil under the wisteria , we can lower it using acidifying fertilizers or increase it by liming.
2. Wisteria has yellow leaves because it was attacked by a fungal disease
Ifspots appear on the wisteria leaves , which change color from yellow to brown over time, it is a sign that ourwisteria has leaf spot. If there are many spots, the leaves turn yellow completely, some of them die and remain on the plant.
In order to avoidyellowing of the leaves as a result of this wisteria disease , in the fall or early spring, rake and discard the fallen leaves from the creeper, and after observing any disease symptoms, spray the plant three times, alternating the following preparations: Topsin M 500 SC, Baymat AL or SAPROL.
Anotherwisteria disease manifested by yellowing of the leavesis Verticillium Disease. Wisteria leaves and shoots turn yellow, turn gray, wilt and, consequently, die from the top. Another characteristic feature is a brown ring in the place of the conductive bundles, which can be seen after cutting out the sick shoot.In the fight against this dangerous wisteria disease, the sick shoots should be cut out immediately and the glycine should be sprayed with Topsin M 500 SC twice, 14 days apart.
3. Wisteria has yellow leaves because it was attacked by a pest
Anotherreason why wisteria has yellow leavesis because of a pest attack.Yellowing, graying and falling of wisteria leavesmay be related to the feeding of spider mites. By feeding on the underside of the leaf, the spider mite sucks cell sap from the plant, and lighter spots are formed on the top of the leaves. Over time, the spots blend together, covering most of the leaves. After a while, the leaves turn gray and fall prematurely. After noticing the first symptoms, spray the creeper with the Karate Zeon 050 EC insecticide preparation. The next year, in the early spring, the plant is sprayed with a natural oil preparation Emulpar 940 EC in order to destroy winter spider mite eggs.
The listedpreparations for the protection of wisteria against diseases and pestsyou can order in our store. We guarantee high quality of service, low prices and fast delivery. To view a range of available protective measures, please press the button below.
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Joanna Białowąs
