Knowledgebase
sunflowers leaves holes #260180
Asked July 08, 2015, 10:36 AM EDT
Macomb County Michigan
Expert Response
Many insect pests will eat holes in sunflower foliage. Other than the appearance of the plants,
holes in leaves rarely are a concern that needs treatment. If you do decide
to use a pesticide, we recommend you chose an organic one. Here are a few websites that will help:
(Although the first site is from the University of California, it gives you information on the same insects that thrive in Michigan.)
http://www.ipm.ucdavis.edu/PMG/GARDEN/FLOWERS/sunflower.html
http://www.gardeningknowhow.com/ornamental/flowers/sunflower/sunflower-problems.htm
If you have additional concerns or questions, please let us know.