Lily Of The Valley Plant Turning Brown. Lily mosaic disease is spread by aphids according to the Ohio State University website. The leaf then drops off.
Fungal leaf spot causes brown spots to appear on the leaves of your plant which gradually increase until most of the leaf is brown. Their color can also morph becoming brown or yellow and even black like we said before. Both plants are suffering from fungal diseases.
It can be managed by destroying the infected plant or applying fungicide to protect plants.
Browning earlier in the season is one of. How can I prevent this is the future. My Lilies Are Turning Brown Lily Mosaic Disease. Caused by various fungi these circular brown spots are very different from the normal browning of the leaves toward the end of the season.
