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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous > Euonymus > Leaves drop prematurely

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Euonymus > Leaves > Leaves drop prematurely

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  • Image: Sunscald 1
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Marssonina leaf spot
Marssonina thomasiana

  • Small, purplish red spots with a cream colored center on leaves and young branches
  • Severely infected leaves may turn yellow to red and drop
  • In severe infections, spots may grow together and girdle young shoots
  • Most common on Eastern wahoo (Euonymus atropurpurea)
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  • Image: Powdery Mildew 1
  • Image: Powdery Mildew 2
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Two-spotted spider mite
Tetranychus urticae

  • White to yellow stippling on foliage
  • Heavy infestations will cause leaves to turn white, yellow and ultimately grayish bronze; premature leaf drop may occur
  • Webbing may be present
  • 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 mite

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