why does my rhododendron has yellow leaves
You may baby your, but the popular shrubs canБt cry if they are not happy. Instead, they signal distress with yellow rhododendron leaves. When you ask, БWhy does my rhododendron have yellow leaves,Б the answer could be anything from improper irrigation to incorrect planting to inappropriate soil. YouБll have to evaluate your cultural practices to determine the problem and take appropriate steps for treating yellowing rhododendrons. Why Does My Rhododendron Have Yellow Leaves? Before you begin, make sure that what you are seeing is not just leaf senescence Б old leaves falling off at the end of their two or three year life. This happens just before winter or in summer drought. Yellow rhododendron leaves often represent the plantБs expression of dissatisfaction with its care.
Rhodies are picky about the soil you plant them in and about how much water they like. If you see your rhododendron leaves turning yellow, review each and every element of the plantБs care. First, take a look at how well your soil drains. This shrub doesnБt do well in wet soil, and Бwet feetБ can cause leaves turning yellow on rhododendron. Give the plant a deep drink, then watch at how fast the water soaks into the soil. If your drainage is bad, transplant the shrub sooner rather than later to a location with. Test your soilБs acidity with a home pH tester. If your soil is, youБve found one reason for rhododendron leaves turning yellow: mineral deficiency causing chlorosis. These shrubs take up too much
and not enough in alkaline soils. is very likely when the yellowing is mostly between the veins of new leaves.
Although it is possible to acidify the soil with lime, transplanting the shrub to a raised bed might be the best and quickest solution to rhododendron leaves turning yellow from chlorosis. Another reason for yellow rhododendron leaves might be the way you planted the shrub. Rhododendrons should be planted with the root ball just at the soil surface. If you canБt feel the root ball in the soil, you have planted it too deeply. Replant at the proper level. This takes care of leaves turning yellow on rhododendron because of planting depth. Lack of water or food may also cause leaves turning yellow on rhododendron. You should give the plant in late May to June. If you forgot this year, feed it now and, while you are at it, give it a good drink.
If it perks up, you have found the problem. If none of these seem to describe your plantБs problem, ask yourself whether you have applied chemicals to its leaves lately. Misapplied chemicals can burn foliage, resulting in yellow rhododendron leaves. Rhododendrons include over 800 species of plants in the Ericaceae family. While U. S Department of Agriculture hardiness zones vary by type of rhododendron, there are some that thrive in USDA zones 9b through 10a. "Horizon Monarch" produces yellow funnel-shaped blooms with dark green elliptical leaves that blooms midseason. "California Sunset" is an evergreen rhododendron and has pink double blooms that appear in early midseason. Find rhododendrons that thrive in your zone to prevent disease that can cause the plant's leaves to yellow.
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