Why Tomato Plants Turn Yellow: Causes, Solutions, and Prevention
Yellowing tomato plants are one of the most common problems gardeners face. Whether you are growing tomatoes in containers, raised beds, or directly in the ground, yellow leaves can signal anything from minor stress to serious disease. Understanding why tomato plants turn yellow is essential for restoring plant health and improving fruit production. Common Reasons Tomato Plants Turn Yellow 1. Nutrient Deficiencies Nutrient imbalance is the leading cause of yellow leaves on tomato plants. Nitrogen deficiency causes older, lower leaves to turn pale green or yellow. Magnesium deficiency results in yellowing between leaf veins while veins remain green. Iron deficiency usually affects young leaves, turning them yellow while veins stay dark. Solution: Use a balanced fertilizer or a soil test to identify missing nutrients. Apply compost or targeted supplements as needed. 2. Overwatering or Poor Drainage Tomato plants require consistent moisture but do not tolerate soggy soil. Over...
