Labor Day 2016. Labor Day is an annual holiday to celebrate the economic and social contributions of workers to the strength, prosperity, and well-being of the country. In the United States, Labor Day is a federal holiday observed on the first Monday of September.
Quick Answer. Cucumber leaves often turn yellow because they are damaged by the potato leafhopper. The small leafhoppers pull sap from cucumber leaves and inject a toxin into the leaves, causing them to turn yellow or brown and appear burned. Continue Reading.
There are two primary reasons for lemon tree leaves turning yellow, both of which are pretty easy to deal with. 1  Too much water. 2  Nitrogen Red Alert! 3  Another possibility is that your lemon tree is crying out for more Nitrogen.ELP! My lemon tree leaves are turning yellow! There are two primary reasons for lemon tree leaves turning yellow, both of which are pretty easy to deal with. 1  Too much water. 2  Chill out with the watering!