These resources are brought to you by the Cooperative Extension System and your Local Institution

Questions tagged with "powdery mildew"

Show All

  1. Why do leaves of phlox plants turn white and die? Updated: October 19, 2011
  2. We had powdery mildew on both acorn squash and cucumbers this season. Does powdery mildew overwinter, and do we need to treat the soil for next year's garden? Updated: October 18, 2011
  3. My mother says her zinnias always get powdery mildew in late summer which makes the bottom half of the plants ugly. How can I keep all this from happening? Updated: May 01, 2011
  4. My golden euonymus is about 5 feet high and I have had it for many years. Today, I noticed the leaves are covered with a powdery mildew. Can the plant be saved and how would I treat it? Updated: April 21, 2011
  5. I am finding a white, flour-like substance on some of my rose leaves. What is it? Updated: June 25, 2010
  6. What is causing a powdery, white substance to appear on many garden plants? Updated: June 24, 2010
  7. I live in Hawaii and my Hayden mango tree sprouted its first blossoms, but all of the blossoms, though pollinated, are dying. They turn black, wither, and fall off. What is the cause, and is there any remedy? Updated: August 05, 2009
  8. Why do dogwood leaves look off-color, scorched, and unhealthy in summer? Updated: September 05, 2008
  9. My peas have a white, "powdery" coating that eventually causes the vine to turn brown and die. Is this powdery mildew? Updated: January 17, 2008
  10. Every spring the leaves on my dogwood tree become covered with a grayish-white powder. What is this, and how can it be prevented? Updated: January 07, 2008

Didn't find what you were looking for? Try asking one of our Experts.