Yesterday, i noticed a section of leaves just starting to turn black:
29+ Why Do Holly Leaves Turn Yellow. Yellow leaves on a newly planted holly bush often reflect transplant. Look under the leaves for a whitish, flakey substance or tan, round things about the size of a.
This Year I Had No Berries On My Holly Bush What Is The Reason The Morning Call from www.mcall.com
If your plant's foliage begins to yellow or discolor, there are quite a few potential causes. Mineral deficiency is one of the major causes of chlorosis in plants and in gardenias the most common deficiencies are magnesium, nitrogen and iron, which result in the leaves turning from a glossy green shade to a. If leaves yellow into the warmer months, it's likely to be a lack of iron and/or magnesium.
Yellow leaves normally signal stress of some kind.
However, yellow leaves can also be a sign of many different problems with your orchid. Deciduous trees in the temperate zones change their colors in autumn. Your leaves will start to turn yellow on the outside at first or they start to curl up/down. Tips of leaves will turn yellow when they are getting to much heat from a light.