

Shift the cucumber plant where it can get at-least 6-8 hours of sunlight. Plant leaves that don’t get enough sunlight fail to produce food and thus turn yellow. Sunlight – plant not getting enough sunlight You must conduct soil test, if the result shows low levels of nitrogen, then adding fertilizers rich in nitrogen will help to fix yellowing of cucumber leaves.ģ.


Low levels of nitrogen and potassium may result in yellowing of leaves.Ĭucumber plant needs potting soil that is well drained and is rich in nutrients. Similarly, not giving enough water can result in yellowing and wilting of leaves.Īlso Read: How often to water cucumber plants?Įdible plants like cucumber are heavy feeders and they reap nutrients from soil. This problem could be due to choosing wrong growing medium that fail to drain excess water. In both cases, plant leaves turn yellow.Įxcess water results in oxygen deprived roots and rotting them. Gardeners found overwatering or underwatering as common reason for yellowing of leaves.Įither you’re watering too much or too little. As mentioned, chlorosis causes yellowing of leaves in plants.
