UNIVERSITY OF MINNESOTA EXTENSION - www.extension.umn.edu
Orange rust on black raspberry leaves. Photo: Michelle Grabowski
By late July, Minnesota gardens are bursting with color and produce, but they’re also prime territory for fungal infections. Warm days, humid nights, and crowded plantings...
UNIVERSITY OF MINNESOTA EXTENSION - www.extension.umn.edu
Fungal infection on lilac leaves
If your lilacs are looking rough this summer, you’re not alone. The likely culprit? Lilac leaf spot, a relatively new fungal disease in Minnesota.
Thought to be caused by Pseudocercospora or Septoria ...