One area has consistently failed to thrive , a span of approx. Yellowing leaves on cherry laurels is likely the result of too-wet soil, a too-deep planting or excess mulch packed up against the trunks. 7 yrs. Planted, watered and fed them well, and now find the lower leaves are turning yellow. Is there anything I can do? Posted: Sun Aug 31, 2008 6:43 pm Post subject: Yellow leaves on failing laurel hedge: Hi, I have a laurel hedge which has been planted approx. If you have a newly planted hedge that is turning yellow and is losing its leaves, it is generally not getting enough water. Hedge of English Laurel turning yellow. Lack of water (drought): Griselinia hedging is a drought tolerant plant. A few have been replaced over the years because they were not growing, and at that time all the other plants were green and healthy. I … DROUGHT SYMPTOMS OF LAUREL HEDGING. Laurel shrubs thrive in well-draining, acidic soils. My suppliers advised me to cut them down by half of their growth above one of the many buds on the stem, this will cause bushier growth and should cure the problem. Improper soil conditions also cause yellowing leaves on a laurel. Random Yellowing. They are now looking rather ick with spindly growth, the leaves are pale green and some have turned yellow and brown. water? Yellow leaves: When the leaves turn yellow and fall off this may be caused by lack of water or too much water. Hi Ryan-If these Laurels have done well in the ground for 5 years and now many of their leaves are yellowing and dropping it is most likely due to some transplant shock. IRL the hedge is more yellow than pic shows. All were planted last autumn by the same supplier. The shrubs planted in poorly draining or alkaline soils develop chlorosis, a nutrient deficiency that causes partial or complete yellowing of foliage. Even a hot weekend in the summer can cause them to dry out so it is best to keep an eye on them every few days. Hi. If there is no apparent spotting or damage to the leaves we can most likely rule out insect damage causing the yellowing. I have around 30 laurel hedges planted around the edge of the driveway. I bought 30 Laurel plants to create a hedge. Amend the soil with aluminum sulfate to provide the plant essential nutrients. The leaves of your laurel plants will quickly turn yellow and start to fall off if they are not watered enough (or if they are over-watered). In cherry laurels, the condition is often brought on by alkaline soil. Asked April 23, 2018, 3:51 PM EDT. It needs a severe pruning to remove the shriveled and dead upper growth. The good news is that bay laurel leaves sometimes turn yellow simply due to the age of the plant. A member of the rose family, cherry laurel (Prunus caroliniana) is a tree or shrub commonly cultivated for its glossy, evergreen leaves. 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