Any change in the color of leaves indicates nutrients or environmental problems. Remove the damaged leaves to help the plant direct its energy towards new healthy growth. Avoid spraying damaged or sensitive plants with pesticides or horticulture oils in hot or humid weather.

Nitrogen: Older leaves on your plant turn yellow, and the new leaves are very light green. Add organic compost or coffee grounds to the soil at the base of the plant or apply a balanced fertilizer. Keep the plant clean and cool; maintain proper watering and fertilizing practice. Avoid over-fertilizing with nitrogen fertilizer, as it helps in mite growth.Natural leaf aging can cause yellowing of lower leaves. This is a normal part of the plant’s life cycle. Make sure potted plant containers have holes at the bottom to allow excess water drainage. Remember that the plant needs less water in cold weather as the evaporation rate is low. Watering is the most crucial element for plant care, but each plant has different watering requirements. Know your plant needs and water accordingly to avoid moisture stress. Underwatering: Yellow, Dry, and Yurling Leaves

Whiteflies: They infect several ornamental and vegetable plants. Whiteflies lay their eggs on new leaves. They feed on the leaves, which produce stippling of leaves, leading to yellow, dry, and distorted leaves. You can differentiate natural aging from other reasons by examining the plant is rate of yellowing. Inspect the top of the leaves for stippling and the underside for webbing. You can use a horticulture oil or insecticidal soap to eliminate the mite eggs. Different plants require different hours of direct sunlight for healthy growth. For your indoor plants in winter, you can get an artificial plant light to supply the light necessary for the plant. You can also replant the succulent in a fast-draining soil mix. How can I test the garden soil for nutrient deficiencies?Leaf scorching is the first symptom of this condition; leaves and the tissue start yellowing and dry out. The leading causes are a weak root system, improper planting techniques, and watering. Zinc deficiency: The leaves are discolored, and the tissue between veins is yellow while the veins are green. Spray the plant with kelp extract. The wrong or excessive application of chemicals to plants causes pesticide burns. The main symptoms of pesticide burn are leaf spots, yellowing leaf , or tip burn. Extremely high or low temperatures can result in yellowing leaves. Protect plants from drafts and temperature fluctuations.

Add citrus rinds or coverings to the base of the plants. Add compost enriched with fruit and vegetable waste or a potassium fertilizer. Moisture stress is the most common reason for yellow leaves on plants; either overwatering or under-watering can cause the green foliage of the plants to turn yellow.If you are sure you are watering the plant well, your plant might be starving for sunlight or scorching from excessive light. Not receiving enough light can also turn the leaves yellow. The main symptoms are distorting leaves, buds, tips, or fruits, followed by yellowing leaves or tissue death. The fungus of the leaf spot can survive in plant debris and spread to other plants. Properly treat or dispose of the infected plant to control the spread of the disease. Spider mites are difficult to see with the naked eye, but the main symptoms are webbings on the leaves and discoloration, as well as yellow leaves on plants. Insufficient sunlight or excessive light can cause yellow leaves. Reposition plants for proper lighting.