Some species of aphids inject a toxin into plants which can cause leaves to curl, distort, or turn yellow. The only difference is that a plant can be made up to 95% water. Required fields are marked *. Too much sunlight can also create problems to some plants. These tiny insects are some of the most common garden pests. Of course, yellow plant leaves may not be the only hue experienced, as autumnal displays of red, orange, bronze and rust are common sights. It is best to familiarize yourself with your plant’s specific needs so you can consider each cultural condition carefully and unearth possible causes. Then the other day I went outside to check on it and it had started budding just a little but some of the branches were shriveled up and other leaves were turning yellow. When a plant is affected by a fungal infection, usually, you can see the first signs on its leaves, but this rule doesn’t always apply. Aphids (also known as greenfly or blackfly) are small insects who feed with plants’ sap. They also can transmit viruses from one plant to another. One of the more common signs of ailment is yellowing leaves. The pH may also be too high, causing a condition called chlorosis. Poor water drainage can harm your potted plants just like over-watering, therefore, make sure that the containers allow the excess water to drain out. Sandy soil is not good to retain water and it’s also not rich in nutrients. Fusarium Wilt causes leaves to wilt, turn yellow and drop. Some houseplants can also thrive for many years if they have the proper conditions. I recently learned this lesson the hard way after my tomato plants seedlings were affected by sunscald after I transplanted them in a greenhouse. Over-watering tomato plants is probably one of the most common mistakes. In many cases, the plant contacts the fungus when its leaves come in contact with the soil or when the bottom leaves are splashed with tiny drops of dirt. Anna is passionate about flowers, nutrition, organic food, and everything related to gardening. Look for plant food with this nutrient and follow the recommended feeding rate to avoid fertilizer burn. Theresa Most of the times, the color of the leaves indicates whether a plant is healthy or not. Some of these conditions might only occur to potted plants, while others can apply to both potted and to the garden plants. The soil becomes even more compacted every time the plant is watered. If your plant is not getting... 2. Fortunately, you can easily do that using a soil test kit. A very handy tool to determine when you need to water your plants is a soil moisture meter, which you simply insert into the ground and tells you the exact level of humidity in the soil. Then the other day I went outside to check on it and it had started budding just a little but some of the branches were shriveled up and other leaves were turning yellow. You can read the full post here. Winter dormancy is another condition with which most are familiar that makes yellow plant leaves. As you can see, there are many causes for yellowing foliage. Clay usually retains a very large amount of water, but it is very poor at water drainage. great info Im learning to care about my roses with the orange powder and avocado tree leaves turning yellow, Your email address will not be published. The soil type is another factor that you should consider when you determine how often you should water your plants. There is a limited amount of space, area to store moisture, nutrient in the medium, and lighting and temperature must be considered for each species of potted plant. 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