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.
Relevance. Rating Newest Oldest. Best Answer: There are two possible reasons why the leaves on your lemon tree are turning yellow; 1) TOO MUCH WATER-the tips of your roots might be rotten and can no longer uptake nutrients.You may have poor drainage around the roots or an extremely heavy soil.elevance. Rating Newest Oldest. Best Answer: There are two possible reasons why the leaves on your lemon tree are turning yellow; 1) TOO MUCH WATER-the tips of your roots might be rotten and can no longer uptake nutrients.