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