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.
Protect cucumber plants susceptible to cucumber worms before they bloom by using a garden fleece, also called a floating row cover, to protect individual plants. Garden fleeces are made of lightweight fabric that allows the sun, rain and air to reach plants while protecting them from cucumber beetles and other pests.ucumber worms can grow up to 3/4 inches long. They attack cucumber plants by eating the roots and burrowing in young plant stems, which causes the plant to wilt and die.