Plan to water during dry spells. Wet conditions promote infection and spread of the disease. · informational table showing disease name, symptoms, pathogen/cause, and management of lily of the valley (convallaria) diseases. They die back every year. In late summer, the leaves of lily-of-the- valley normally turn yellow and begin to look a little sickly. · in this article, we will explore some of the most common diseases that can afflict lily of the valley plants, how to identify them, and the best methods for treatment and prevention. · it is a long-lived plant that doesn’t have any serious issues with pests or diseases. (lily-of-the- valley ) is subject to several diseases. Symptoms often appear in early summer when conditions are warm and very humid. Infected tissues are often covered with the characteristic gray, fuzzy growth of the fungus. Black vine weevil eggs are laid in the soil. Anthracnose, leaf spot, leaf blotch and crown rot are the main diseases. All plant parts can be infected including leaves, flowers, and stems. Read on to learn how to treat sick lily of the valley , as well as ways to keep your plants healthier. Also, if flowering has decreased on older plants, it’s beneficial to dig them up and divide them to refresh their growth. Plant lily of the valley in partial sun to full shade. When lilies of the valley become overcrowded, the flowers become sparse. · loved by so many, lily of the valley is one that’s worth trying to save, when you can. Simply divide or thin the plants, and next year more flowers will appear.
