What's wrong with my plant? Give us your feedback

Potentilla > Leaves > Leaves discolored white, yellow or pale green

1 of 2
  • Image: 1
    Credit: M. Grabowski, University of Minnesota
  • Image: 2
    Credit: M. Grabowski, University of Minnesota
  • Image: 2

    Credit: M. Grabowski, University of Minnesota

  • - CLICK PHOTOS TO ENLARGE -

green arrowPowdery mildew
Phyllactina guttata

  • White, powdery spots or blotches on leaves
  • Leaves and stems may be completely covered with white, powdery fungal growth
  • Leaves may yellow and drop prematurely
  • Young leaves and shoots may be curled and twisted
  • Entire shrub may appear gray or discolored
  • More information on powdery mildew...
2 of 2
  • Image: 1
    Credit: Whitney Cranshaw, Colorado State University, Bugwood.org
  • Image: 2

    Credit: Whitney Cranshaw, Colorado State University, Bugwood.org

  • Image: 2

    Credit: Whitney Cranshaw, Colorado State University, Bugwood.org

  • - CLICK PHOTOS TO ENLARGE -

green arrowTwo-spotted spider mite
Tetranychu surticae

  • White to yellow stippling on foliage; leaves can appear off-green
  • Heavy infestations will cause leaves to turn white, yellow and ultimately grayish bronze
  • Premature leaf drop may occur
  • Webbing may be present, especially when heavily infested
  • Mites usually appear in late June to August; they are more prevalent in hot, dry weather
  • Adult spider mites are small(approximately 1/50 inch long) and are hard to see; they are yellow to dark red with dark spots (need magnification to see)
  • More information on two-spotted spider mites...

Don't see what you're looking for?